#include<bits/stdc++.h>
using namespace std;
int main(){
	float i=0,n;
	cin>>n;
	if(n<=1.3){
	 i=60;	
	}else{
		i=120;
	}
	printf("%.0f",i);
}
/**************************************************************
	Problem: 1037
	User: huxuanchen
	Language: C++
	Result: Wrong Answer
****************************************************************/