tj

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

int main()
{
    int a;
    cin>>a;
    if(a>=17&&a<20)
        cout<<7;
    else if(a>=20&&a<22)
        cout<<5;
    else if(a>=22&&a<24)
        cout<<3;
    else
        cout<<"sleep";
}