#include<bits/stdc++.h>
using namespace std;
int main(){
    double a;
    cin>>a;
    if(a<1.3){
        cout<<"60";
    }else{
        cout<<"120";
    }
     
}
/**************************************************************
	Problem: 1037
	User: wengzihang
	Language: C
	Result: Compile Error
****************************************************************/