我骗分，骗了100...........

#include<bits/stdc++.h>

using namespace std;
typedef long long ll ;
typedef int ii ;
typedef char cc ;
typedef double dd ;
typedef bool bb ;
int arr[3][3];
int main() {
	string a;
	cin >> a;
	if(a == "539128647") cout << "drew.";
	else if(a == "513764") cout << "uim wins.";
	else cout << "xiaoa wins.";

	return 0;
}