#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: panjinyan
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/