#include<bits/stdc++.h>
using namespace std;
int main(){
    int a;
    cin>>a;
    if(a<1.3){
    	cout<<"60";
	}
	if(a>=1.3){
		cout<<"120";
	}
}
/**************************************************************
	Problem: 1037
	User: toughuatao1
	Language: C++
	Result: Wrong Answer
****************************************************************/