#include<bits/stdc++.h>
using namespace std;
int main(){
	float a;
	cin>>a;
	if(a<1.2) cout<<60;
	else cout<<120;
	return 0;
}

/**************************************************************
	Problem: 1037
	User: tangkaixuan
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/