#include <iostream>
using namespace std;
    
int main() {
    double height;
    cin >> height;
    if (height < 1.3) {
        cout << 60;
    } else {
        cout << 120;
    }
    return 0;
}
/**************************************************************
	Problem: 1037
	User: suzihang
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/