#include <iostream>
using namespace std;
int main() {
	float a;
	cin>>a;
	if(a<1.3){
		if(a=1.3){
			cout<<"120";
		}else{	
		cout<<"60";
		}
	}else{
		cout<<"120";
	}
}
/**************************************************************
	Problem: 1037
	User: panyuchen
	Language: C++
	Result: Wrong Answer
****************************************************************/