#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) #if defined(_MSC_VER) || __cplusplus > 199711L #define aut(r,v) auto r = (v) #else #define aut(r,v) __typeof(v) r = (v) #endif #define each(it,o) for(aut(it, (o).begin()); it != (o).end(); ++ it) #define all(o) (o).begin(), (o).end() #define pb(x) push_back(x) #define mp(x,y) make_pair((x),(y)) #define mset(m,v) memset(m,v,sizeof(m)) #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL using namespace std; typedef vector vi; typedef pair pii; typedef vector > vpii; typedef long long ll; template inline void amin(T &x, U y) { if(y < x) x = y; } template inline void amax(T &x, U y) { if(x < y) x = y; } unsigned long long C[1000+1][1000+1]; unsigned long long rnomial(int r, int n, int k) { if(r == 0) return n == 0 && k == 0 ? 1 : 0; if(k == 0) return 1; if(n == 0) return 0; unsigned long long sum = 0; int imax = k/r; if(imax > n) return 0; rer(i, 0, imax) { unsigned long long t = C[n][i] * C[n+k-1-r*i][n-1]; if(i % 2 == 0) sum += t; else sum -= t; } return sum; } int main() { const int Combination_N = 1000; for(int i = 0; i <= Combination_N; i ++) { C[i][0] = 1; for(int j = 1; j <= i; j ++) C[i][j] = C[i-1][j-1] + C[i-1][j]; } int n; while(cin >> n) { ll ans = rnomial(n+1, 8, 6 * n); cout << ans << endl; } return 0; }