#include <bits/stdc++.h>
using namespace std;
int main(){
    int a;
    double b=50.0,c=0.0;
    cin>>a;
    b=b+a/3.0;
    c=a*1.2;
    if(b>c){
        cout << "Walk";
    }
    else if(b<c){
        cout<<"Bike";
    }
    else{
        cout<<"All";
    }
    
    return 0;
}