#include<bits/stdc++.h>
using namespace std;
int main(){
	float n;
	cin>>n;
	if(n<1.30){
		cout<<60;
	}else{
		cout<<120;
	}
	
} 

/**************************************************************
	Problem: 1037
	User: zhengzihao3
	Language: C++
	Result: Wrong Answer
****************************************************************/