#include <bits/stdc++.h>
using namespace std;
int main()
{
double x;
cin >> x;
double a, b;
b = x / 1.2;
a = x / 3 + 50;
if (a > b)
cout << "Walk";
else if (a < b)
cout << "Bike";
else
cout << "All";
return 0;
}