#include using namespace std; const int MOD = 1e9 + 7; const int ZERO = 25000; int dp[501][50000]; long long f[501], g[501]; long long modpow(long long x, long long p, long long mod) { long long ret = 1; while (p) { if (p & 1) ret = ret * x % mod; x = x * x % mod; p >>= 1; } return ret; } long long comb(int n, int k) { return f[n] * g[n-k] % MOD * g[k] % MOD; } void init() { f[0] = g[0] = 1; for (int i = 1; i <= 500; i++) { f[i] = f[i-1] * i % MOD; g[i] = modpow(f[i], MOD-2, MOD); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); init(); int T, a, b, c, d, e; cin >> T >> a >> b >> c >> d >> e; dp[0][ZERO] = 1; for (int t = 0; t < T; t++) { for (int i = 0; i < 50000; i++) { if (dp[t][i]) { (dp[t+1][i-b] += dp[t][i]) %= MOD; (dp[t+1][i+b] += dp[t][i]) %= MOD; (dp[t+1][i-c] += dp[t][i]) %= MOD; (dp[t+1][i+c] += dp[t][i]) %= MOD; } } } for (int t = 0; t <= T; t++) { for (int i = 1; i < 50000; i++) dp[t][i] = (dp[t][i] + dp[t][i-1]) % MOD; } long long ret = 0; for (int l = 0; l <= T; l++) { for (int r = 0; l + r <= T; r++) { int x = r - l; long long tmp = dp[T - l - r][ZERO + e - a * x] - dp[T - l - r][ZERO + d - a * x - 1]; if (tmp < 0) tmp += MOD; tmp = tmp * comb(T, l) % MOD; tmp = tmp * comb(T-l, r) % MOD; ret += tmp; ret %= MOD; } } cout << ret << endl; return 0; }