using System; using System.IO; using System.Linq; using System.Text; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; public class Program { static readonly int Mod = (int)1e9 + 7; public void Solve() { int N = Reader.Int(), R = Reader.Int(), G = Reader.Int(), B = Reader.Int(); int S = R + G + B; var C = ModC(N + 1, Mod); long ans = 0; for (int two = 0, one = S; two * 2 <= Math.Min(S, N); two++, one -= 2) { int remEmpty = N - 2 * two - one - (two + one - 1); if (remEmpty < 0) continue; long seat = C[two + one, two] * C[two + one + remEmpty, remEmpty] % Mod; for (int pairRed = 0; pairRed <= Math.Min(R, two); pairRed++) { int pairGB = two - pairRed, oneGB = one - (R - pairRed); if (Math.Min(G, B) < pairGB) continue; long num = seat * (long)BigInteger.ModPow(2, two, Mod) % Mod; num = num * C[two, pairRed] % Mod * C[one, R - pairRed] % Mod; num = num * C[pairRed + oneGB, G - pairGB] % Mod; ans += num; } } Console.WriteLine(ans % Mod); } static long[,] ModC(int max, long mod) { var c = new long[max + 1, max + 1]; for (int n = 0; n <= max; n++) { c[n, 0] = c[n, n] = 1; for (int k = 1; k < n; k++) c[n, k] = (c[n - 1, k] + c[n - 1, k - 1]) % mod; } return c; } } class Entry { static void Main() { new Program().Solve(); } } class Reader { static TextReader reader = Console.In; static readonly char[] separator = { ' ' }; static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; static string[] A = new string[0]; static int i; static void Init() { Dispose(); A = new string[0]; } public static void Set(TextReader r) { Init(); reader = r; } public static void Set(string file) { Init(); reader = new StreamReader(file); } public static bool HasNext() { return CheckNext(); } public static string String() { return Next(); } public static int Int() { return int.Parse(Next()); } public static long Long() { return long.Parse(Next()); } public static double Double() { return double.Parse(Next()); } public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); } public static int[] IntArray(int N) { return Range(N, Int); } public static int[][] IntTable(int H) { return Range(H, IntLine); } public static string[] StringArray(int N) { return Range(N, Next); } public static string[][] StringTable(int N) { return Range(N, () => Split(Line())); } public static string Line() { return reader.ReadLine().Trim(); } public static T[] Range(int N, Func f) { var r = new T[N]; for (int i = 0; i < N; r[i++] = f()) ; return r; } public static void Dispose() { reader.Dispose(); } static string[] Split(string s) { return s.Split(separator, op); } static string Next() { CheckNext(); return A[i++]; } static bool CheckNext() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return CheckNext(); A = Split(line); i = 0; return true; } }