#include<bits/stdc++.h>
using namespace std;
 int main(){
    int q;
    float j;
    cin>>j;
    if(j<1.3){
    	q=60.0;
}
else q=120.0;
	printf("%d",q);
}
 
/**************************************************************
	Problem: 1037
	User: binzicheng1
	Language: C++
	Result: Wrong Answer
****************************************************************/