#include <iostream>
using namespace std;
int main(){
    float n;
    float a,b;
    cin>>n;
    a=27+23+n/1.2;
    b=n/0.3;
    if (a<b){
        cout<<"Bike";
    }else if (a>b){
        cout<<"Walk";
    }else{
        cout<<"All";
    }
    return 0;
}