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