#include <iostream>
#include <stdio.h>
#include<math.h>
using namespace std;
int main() {
    int a;
    cin >> a;
    if((a/1.2)<(a/3+50)){
    cout<<"Walk";
        }else if((a/1.2)==(a/3+50)){
    cout<<"All";
        }else{
    cout<<"Bike";
        }
    return 0;
}