#include<bits/stdc++.h>
using namespace std;
int main(){
    float n;
    cin>>n;
    if(n<=1.2){
        cout<<60;
    }else{
        cout<<120;
    }    
} 

/**************************************************************
	Problem: 1037
	User: wngjinming
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/