#include #include using namespace std; typedef long long ll; #define REP(i,n) for(int i=0,_n=(int)(n);i<_n;++i) #define ALL(v) (v).begin(),(v).end() #define CLR(t,v) memset(t,(v),sizeof(t)) templateostream& operator<<(ostream& os,const pair&a){return os<<"("<void chmin(T&a,const T&b){if(a>b)a=b;} templatevoid chmax(T&a,const T&b){if(avoid pv(T a,T b){for(T i=a;i!=b;++i)cerr<<(*i)<<" ";cerr<void pv(T a,T b){} #endif ll nextLong() { ll x; scanf("%lld", &x); return x;} int main2() { int N = nextLong(); vector A(N+1); for (int i = 0; i <= N; i++) A[i] = 1; A = atcoder::convolution_ll(A, A); A = atcoder::convolution_ll(A, A); A = atcoder::convolution_ll(A, A); ll ans = A[6 * N]; cout << ans << endl; return 0; } int main() { #ifdef LOCAL for (;!cin.eof();cin>>ws) #endif main2(); return 0; }