#include<iostream>

using namespace std;

int main()
{
	double x;
	
	cin>>x;
	
	if(x>=1.3){
		cout<<120<<endl;
	}else{
		cout<<60<<endl;
	}
	
	return 0;
}

/**************************************************************
	Problem: 1037
	User: admin
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/