#include<bits/stdc++.h>
using namespace std;
int main() {
	float a;
	cin>>a;
	if(a<1.2){
		cout<<"60";
	}else{
		cout<<"120";
	}
}
/**************************************************************
	Problem: 1037
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/