using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Numerics; using System.Reflection.Metadata; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; using System.Text; using System.Text.RegularExpressions; using System.Threading; namespace AtCoder { public class Program { static void Main() { var cin = new Scanner(); var (n, m, x) = cin.Int3(); var a = cin.ArrayLong(n); var b = cin.ArrayLong(m); long ax = 0; for (int i = 0; i < n; i++) { ax ^= a[i]; } long bx = 0; for (int i = 0; i < m; i++) { bx ^= b[i]; } if (ax != bx) { Console.WriteLine(0); return; } ModCounting.InitializeFactorial(m + 1); ModInt bit1 = 0; ModInt bit0 = 0; for (int i = 0; i <= m; i++) { if (i % 2 != 0) { bit1 += ModCounting.Combination(m, i); } else { bit0 += ModCounting.Combination(m, i); } } ModInt ans = 1; for (int i = 0; i < n - 1; i++) { for (int j = 0; j < x; j++) { if ((a[i] & 1 << j) != 0) { ans *= bit1; } else { ans *= bit0; } } } Console.WriteLine(ans); } } public static class ModCounting { private const long p_ = ModInt.P; private static ModInt[] factorial_; private static ModInt[] inverseFactorial_; private static ModInt[] inverse_; public static void InitializeFactorial(long max, bool withInverse = false) { if (withInverse) { factorial_ = new ModInt[max + 1]; inverseFactorial_ = new ModInt[max + 1]; inverse_ = new ModInt[max + 1]; factorial_[0] = factorial_[1] = 1; inverseFactorial_[0] = inverseFactorial_[1] = 1; inverse_[1] = 1; for (int i = 2; i <= max; i++) { factorial_[i] = factorial_[i - 1] * i; inverse_[i] = p_ - inverse_[p_ % i] * (p_ / i); inverseFactorial_[i] = inverseFactorial_[i - 1] * inverse_[i]; } } else { factorial_ = new ModInt[max + 1]; inverseFactorial_ = new ModInt[max + 1]; factorial_[0] = factorial_[1] = 1; for (int i = 2; i <= max; i++) { factorial_[i] = factorial_[i - 1] * i; } inverseFactorial_[max] = new ModInt(1) / factorial_[max]; for (long i = max - 1; i >= 0; i--) { inverseFactorial_[i] = inverseFactorial_[i + 1] * (i + 1); } } } public static ModInt Factorial(long n) { if (n < 0) { return 0; } return factorial_[n]; } public static ModInt InverseFactorial(long n) { if (n < 0) { return 0; } return inverseFactorial_[n]; } public static ModInt Inverse(long n) { if (n < 0) { return 0; } return inverse_[n]; } public static ModInt Permutation(long n, long k) { if (n < k || (n < 0 || k < 0)) { return 0; } return factorial_[n] * inverseFactorial_[n - k]; } public static ModInt RepeatedPermutation(long n, long k) { long ret = 1; for (k %= p_ - 1; k > 0; k >>= 1, n = n * n % p_) { if ((k & 1) == 1) { ret = ret * n % p_; } } return ret; } public static ModInt Combination(long n, long k) { if (n < k || (n < 0 || k < 0)) { return 0; } return factorial_[n] * inverseFactorial_[k] * inverseFactorial_[n - k]; } public static ModInt CombinationK(long n, long k) { ModInt ret = 1; for (int i = 0; i < k; i++) { ret *= (n - i); ret *= inverse_[i + 1]; } return ret; } public static ModInt HomogeneousProduct(long n, long k) { if (n < 0 || k < 0) { return 0; } return Combination(n + k - 1, k); } } public class HashMap : Dictionary { private readonly Func initialzier_; public HashMap(Func initialzier) : base() { initialzier_ = initialzier; } public HashMap(Func initialzier, int capacity) : base(capacity) { initialzier_ = initialzier; } new public TValue this[TKey key] { get { if (ContainsKey(key) == false) { base[key] = initialzier_(key); } return base[key]; } set { base[key] = value; } } } public struct ModInt { public const long P = 1000000007; //public const long P = 998244353; public static ModInt Inverse(ModInt value) => Pow(value, P - 2); public static ModInt Pow(ModInt value, long k) => Pow(value.value_, k); public static ModInt Pow(long value, long k) { long ret = 1; for (k %= P - 1; k > 0; k >>= 1, value = value * value % P) { if ((k & 1) == 1) { ret = ret * value % P; } } return new ModInt(ret); } private long value_; public ModInt(long value) => value_ = value; public ModInt(long value, bool mods) { if (mods) { value %= P; if (value < 0) { value += P; } } value_ = value; } public static ModInt operator +(ModInt lhs, ModInt rhs) { lhs.value_ = (lhs.value_ + rhs.value_) % P; return lhs; } public static ModInt operator +(long lhs, ModInt rhs) { rhs.value_ = (lhs + rhs.value_) % P; return rhs; } public static ModInt operator +(ModInt lhs, long rhs) { lhs.value_ = (lhs.value_ + rhs) % P; return lhs; } public static ModInt operator -(ModInt lhs, ModInt rhs) { lhs.value_ = (P + lhs.value_ - rhs.value_) % P; return lhs; } public static ModInt operator -(long lhs, ModInt rhs) { rhs.value_ = (P + lhs - rhs.value_) % P; return rhs; } public static ModInt operator -(ModInt lhs, long rhs) { lhs.value_ = (P + lhs.value_ - rhs) % P; return lhs; } public static ModInt operator *(ModInt lhs, ModInt rhs) { lhs.value_ = lhs.value_ * rhs.value_ % P; return lhs; } public static ModInt operator *(long lhs, ModInt rhs) { rhs.value_ = lhs * rhs.value_ % P; return rhs; } public static ModInt operator *(ModInt lhs, long rhs) { lhs.value_ = lhs.value_ * rhs % P; return lhs; } public static ModInt operator /(ModInt lhs, ModInt rhs) { long exp = P - 2; while (exp > 0) { if (exp % 2 > 0) { lhs *= rhs; } rhs *= rhs; exp /= 2; } return lhs; } public static implicit operator ModInt(long n) => new ModInt(n, true); public long ToLong() => value_; public override string ToString() => value_.ToString(); } public static class Helper { [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void UpdateMin(ref T target, T value) where T : IComparable => target = target.CompareTo(value) > 0 ? value : target; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void UpdateMin(ref T target, T value, Action onUpdated) where T : IComparable { if (target.CompareTo(value) > 0) { target = value; onUpdated(value); } } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void UpdateMax(ref T target, T value) where T : IComparable => target = target.CompareTo(value) < 0 ? value : target; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void UpdateMax(ref T target, T value, Action onUpdated) where T : IComparable { if (target.CompareTo(value) < 0) { target = value; onUpdated(value); } } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static T[] Array(int n, Func init) => Enumerable.Range(0, n).Select(x => init(x)).ToArray(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public static List List(int n, Func init) => Enumerable.Range(0, n).Select(x => init(x)).ToList(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public static T[,] Array2(int n, int m, T init) where T : struct { var array = new T[n, m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { array[i, j] = init; } } return array; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static T[,] Array2(int n, int m, Func initializer) { var array = new T[n, m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { array[i, j] = initializer(i, j); } } return array; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static T[,,] Array3(int n1, int n2, int n3, T init) where T : struct { var array = new T[n1, n2, n3]; for (int i1 = 0; i1 < n1; i1++) { for (int i2 = 0; i2 < n2; i2++) { for (int i3 = 0; i3 < n3; i3++) { array[i1, i2, i3] = init; } } } return array; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static T[,,,] Array4(int n1, int n2, int n3, int n4, T init) where T : struct { var array = new T[n1, n2, n3, n4]; for (int i1 = 0; i1 < n1; i1++) { for (int i2 = 0; i2 < n2; i2++) { for (int i3 = 0; i3 < n3; i3++) { for (int i4 = 0; i4 < n4; i4++) { array[i1, i2, i3, i4] = init; } } } } return array; } private static readonly int[] delta4_ = { 1, 0, -1, 0, 1 }; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void DoAt4(int i, int j, int imax, int jmax, Action action) { for (int dn = 0; dn < 4; dn++) { int d4i = i + delta4_[dn]; int d4j = j + delta4_[dn + 1]; if ((uint)d4i < (uint)imax && (uint)d4j < (uint)jmax) { action(d4i, d4j); } } } private static readonly int[] delta8_ = { 1, 0, -1, 0, 1, 1, -1, -1, 1 }; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void DoAt8(int i, int j, int imax, int jmax, Action action) { for (int dn = 0; dn < 8; dn++) { int d8i = i + delta8_[dn]; int d8j = j + delta8_[dn + 1]; if ((uint)d8i < (uint)imax && (uint)d8j < (uint)jmax) { action(d8i, d8j); } } } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void ForEachSubBit(int bit, Action action) { for (int sub = bit; sub >= 0; sub--) { sub &= bit; action(sub); } } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static string Reverse(string src) { var chars = src.ToCharArray(); for (int i = 0, j = chars.Length - 1; i < j; i++, j--) { var tmp = chars[i]; chars[i] = chars[j]; chars[j] = tmp; } return new string(chars); } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static string Join(this IEnumerable values, string separator = "") => string.Join(separator, values); } public class Scanner { private readonly char[] delimiter_ = new char[] { ' ' }; private readonly string filePath_; private readonly Func reader_; private string[] buf_; private int index_; public Scanner(string file = "") { if (string.IsNullOrWhiteSpace(file)) { reader_ = Console.ReadLine; } else { filePath_ = file; var fs = new StreamReader(file); reader_ = fs.ReadLine; } buf_ = new string[0]; index_ = 0; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public string NextLine() => reader_(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public string Next() { if (index_ < buf_.Length) { return buf_[index_++]; } string st = reader_(); while (st == "") { st = reader_(); } buf_ = st.Split(delimiter_, StringSplitOptions.RemoveEmptyEntries); if (buf_.Length == 0) { return Next(); } index_ = 0; return buf_[index_++]; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public int Int() => int.Parse(Next()); [MethodImpl(MethodImplOptions.AggressiveInlining)] public int Int(int offset) => int.Parse(Next()) + offset; [MethodImpl(MethodImplOptions.AggressiveInlining)] public (int, int) Int2(int offset = 0) => (Int(offset), Int(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public (int, int, int) Int3(int offset = 0) => (Int(offset), Int(offset), Int(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public (int, int, int, int) Int4(int offset = 0) => (Int(offset), Int(offset), Int(offset), Int(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public int[] ArrayInt(int length, int offset = 0) { int[] Array = new int[length]; for (int i = 0; i < length; i++) { Array[i] = Int(offset); } return Array; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public long Long() => long.Parse(Next()); [MethodImpl(MethodImplOptions.AggressiveInlining)] public long Long(long offset) => long.Parse(Next()) + offset; [MethodImpl(MethodImplOptions.AggressiveInlining)] public (long, long) Long2(long offset = 0) => (Long(offset), Long(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public (long, long, long) Long3(long offset = 0) => (Long(offset), Long(offset), Long(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public (long, long, long, long) Long4(long offset = 0) => (Long(offset), Long(offset), Long(offset), Long(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public long[] ArrayLong(int length, long offset = 0) { long[] Array = new long[length]; for (int i = 0; i < length; i++) { Array[i] = Long(offset); } return Array; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public double Double() => double.Parse(Next()); [MethodImpl(MethodImplOptions.AggressiveInlining)] public double Double(double offset) => double.Parse(Next()) + offset; [MethodImpl(MethodImplOptions.AggressiveInlining)] public (double, double) Double2(double offset = 0) => (Double(offset), Double(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public (double, double, double) Double3(double offset = 0) => (Double(offset), Double(offset), Double(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public (double, double, double, double) Double4(double offset = 0) => (Double(offset), Double(offset), Double(offset), Double(offset)); [MethodImpl(MethodImplOptions.AggressiveInlining)] public double[] ArrayDouble(int length, double offset = 0) { double[] Array = new double[length]; for (int i = 0; i < length; i++) { Array[i] = Double(offset); } return Array; } public void Save(string text) { if (string.IsNullOrWhiteSpace(filePath_)) { return; } File.WriteAllText(filePath_ + "_output.txt", text); } } }