#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<vector>

using namespace std;

void initInput()
{

}

void handle()
{

}

int main()
{
	freopen(".in", "r", stdin);
	freopen(".out", "w", stdout);

	initInput();
	handle();

	return 0;
}

