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

int main() {
    int n;
    cin >> n;
    float b=50+3.0*n , w=n*1.2;
  
    if(b == w){
        cout << "All";
    }else if(b < w){
        cout << "Walk";
    }else{
        cout << "Bike";
    }
    
    return 0;
}