#include<bits/stdc++.h>
using namespace std;
int geth(){
	return 0;
}
bool dfs(int x,int d,int step){
	int h=geth();
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout<<"ullddrurdllurdruldr";
	return 0;
}

/**************************************************************
	Problem: 2352
	User: liangshinan
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2228 kb
****************************************************************/