#include #define PB push_back #define MP make_pair #define REP(i,n) for (int i=0;i<(n);i++) #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define ALL(a) (a).begin(),(a).end() using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair P; const int INF=1e9; const int MOD=100000; int main(){ int n; ll cnt[601]; memset(cnt,0,sizeof(cnt)); cin>>n; REP(a,n+1){ REP(b,n+1){ REP(c,n+1){ REP(d,n+1){ cnt[a+b+c+d]++; } } } } ll ans=0; for(int i=0;i<=6*n;i++)ans+=(cnt[i]*cnt[6*n-i]); cout<