#include <iostream>
using namespace std;

int main() {
    double h;
    cin >> h;
    cout << (h < 1.3 ? 60 : 120) << endl;
    return 0;
}
/**************************************************************
	Problem: 1037
	User: fuhoubin
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/