using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var (h, w, x) = (c[0], c[1], c[2]);
        var a = NList;
        var b = NList;
        var ax = a.Aggregate((i, j) => i ^ j);
        var bx = b.Aggregate((i, j) => i ^ j);
        if (ax != bx)
        {
            WriteLine(0);
            return;
        }
        var mod = 1_000_000_007;
        WriteLine(Exp(Exp(2, (h - 1L) * (w - 1), mod), x, mod));
    }
    static long Exp(long n, long p, int mod)
    {
        long _n = n % mod;
        var _p = p;
        var result = 1L;
        if ((_p & 1) == 1) result *= _n;
        while (_p > 0)
        {
            _n = _n * _n % mod;
            _p >>= 1;
            if ((_p & 1) == 1) result = result * _n % mod;
        }
        return result;
    }
}