#include<bits/stdc++.h>
using namespace std;
int main()
{
	float i;
	cin>>i;
	
	if(i>1.3&&i==1.3)
	  cout<<"120";
	else
		cout<<"60"; 
}
/**************************************************************
	Problem: 1037
	User: asd
	Language: C++
	Result: Wrong Answer
****************************************************************/