题

#include<bits/stdc++.h>
using namespace std;

int main()
{
int n;
cin>>n;
int a[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
int s = 0;
for(int i=1;i<=12;i++)
{
if((12+s+n) %7 == 5) cout<<i<<endl;
s+=a[i];
}

return 0;

}