#include <bits/stdc++.h>
using namespace std;
long long ans[12] = {0,4,10,20,35,56,83,116,155,198,244,292};
int main(){
long long n;
cin >> n;
if(n <= 11)
cout << ans[n] << endl;
else
cout << ans[11] + (n - 11) * 49 << endl;
return 0;
}
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