#include <iostream>
using namespace std;
int main() {
    double h;
    cin>>h;
    if (h<1.3){
        cout<<60<<endl;
    }else{
        cout<<120<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1037
	User: chenyichuen
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:2072 kb
****************************************************************/