#include<iostream> using namespace std; int main(){ int n,cnt=0; cin>>n; for(int i=0;i<=n/7;i){ int j=(n-7i)/4; if((n-7i)%40 && (n-i-j)%30){ cnt; } } cout<<cnt; return 0; }

#include<bits/stdc++.h> #include<algorithm> using namespace std; int main(){ int n,cnt = 0; cin >> n; for(int i = 0;i <= n/7;i){ int j =(n-7i)/4; if((n-7i)%40 && (n-i-j)%30) cnt; } cout << cnt; return 0; }