#include <iostream>
using namespace std;
int main(){
    double a, t1, t2;
    cin >> a;
    t1 =a / 3.0 + 50;
    t2 =a / 1.2;
    if(t1 > t2){
        cout << "Walk" ;
    }
	else if(t1<t2){
        cout << "Bike";
    }else{
        cout << "All";
    }
    return 0;
}