Template

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <math.h>
#include <string>
#include <cstdlib>
#include <cstring>
#include <stack>
#include <queue>
#include <vector>
#define IN freopen("f:\\in.txt", "rt", stdin);
#define OUT freopen("f:\\out.txt", "wt", stdout);
#define FOR(n) for(int i = 0; i < n; i++)
#define LL long long int
#define STESTCASE int t;scanf("%d", &t);getchar();for(int tc = 1; tc <= t; tc++)
#define TESTCASE int t;scanf("%d", &t);for(int tc = 1; tc <= t; tc++)
#define PF printf
#define SF scanf
#define EP 0.000000001
#define MAX 1000
#define D cout << "Debugg" << endl;
using namespace std;

int main()
{

    return 0;
}