#include<bits/stdc++.h>
using namespace std;
int main()
{
    double x;
    cin>>x;
    if(x>=1.3){
        cout<<120<<endl;
    }else{
        cout<<60<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1037
	User: wangchenyu
	Language: C++
	Result: Accepted
	Time:21 ms
	Memory:2072 kb
****************************************************************/