#include<bits/stdc++.h>
#define Pc(x) putchar(x)
#define PB push_back
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
using namespace std;using ll=long long;using ull=unsigned ll;
const int N=1e5+5,M=1e3+5,eps=1e-5,INF=1e9+7,mod=998244353;
int main(){
	
}