#include<bits/stdc++.h>

#define int long long
#define endl '\n'
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define pb push_back
#define eb emplace_back
#define debug(x) cout << #x << ": " << x << endl
#define sz(x) (int)((x).size())
#define esp ' '
#define pii pair<int,int>
#define vi vector<int>

using namespace std;

void solve() {
	int n;cin>>n;
	int amt=0;
	rep(i,0,n) {
		int x;cin>>x;
		amt += x != 0;
	}
	if (amt > 1 or amt == 0) {
		cout << "Puss in Boots\n";
		return;
	}
	cout << "Donkey\n";
}

signed main() {
	ios_base::sync_with_stdio(0);cin.tie(0);

	int t=1;
	//cin>>t;
	while(t--) solve();
}