//骑车 27 + 23 + x / 3
//走路 x / 1.2

#include <bits/stdc++.h>
using namespace std;

int main() 
{
    double x;
    cin >> x;
    if ( (27+23+(x/3)) < (x/1.2) ) {
        cout << "Bike";
    }
    else if ( (27+23+(x/3)) == (x/1.2) ) {
        cout << "All";
    }
    else {
        cout << "Walk";
    }
    return 0;
}