/*
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*/
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define fio ios::sync_with_stdio(false);cin.tie(0);
#define pii pair<int,int>
#define vi vector<int>
#define vc vector<char>
#define mii map<int,int>
#define si(a) scanf("%d",&a)
#define ss(a) scanf("%s",&a)
#define sl(a) scanf("%I64d",&a);
#define slf(a) scanf("%lf",&a);
#define CLEAR(a,b) memset(a,b,sizeof(a))
#define pi acos(-1)
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
const int INF=0x3f3f3f3f;
const int N=2e5+5;
using namespace std;
priority_queue<int,vector<int>,greater<int> > pqg;
priority_queue<int,vector<int>,less<int> > pql;
int main()
{
}