#define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair i_i; typedef pair ll_i; typedef pair d_i; typedef pair ll_ll; typedef pair d_d; struct edge { int u, v; ll w; }; ll MOD = 1000000007; int main() { int n; cin >> n; vector dp(n * 6 + 1); dp[0] = 1; for (int t = 0; t < 8; t++) { vector _dp(n * 6 + 1); for (int i = 0; i <= n * 6; i++) for (int j = 0; j <= n; j++) if (i + j <= n * 6) _dp[i + j] = _dp[i + j] + dp[i]; dp = _dp; } cout << dp[n * 6] << endl; }