#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;
int main(){
	int a;
	double b,w;
	cin >> a;
	b = 1.0*a/3.0+27+23;
	w = 1.0*a/1.2;
	bool bl = b>w;
	switch (bl){
		case 1:
			cout << "Walk";
			break;
		case 0:
			if (b == w){
				cout << "All";
			}else if (b<w){
				cout << "Bike";
			}
			break;
	}
	return 0;
}

#include  <bits/stdc++.h>
using namespace std;
int main()
{
    double m;
    cin>>m;
    double bike=m/3.0+50.0;
    double walk=m/1.2;
    if(bike>walk) cout<<"Walk";
    else if(walk>bike) cout<<"Bike";
    else cout<<"All";
    return 0;
}