#include<bits/stdc++.h>
using namespace std;
int main(){
    float a;
    cin>>a;
    if(a<1.2) cout<<60;
    else  cout<<120;
    return 0;
}
/**************************************************************
	Problem: 1037
	User: wangyousi
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2072 kb
****************************************************************/