#include<bits/stdc++.h>
#define int long long
#define ull unsigned long long
#define i128 __int128
using namespace std;
const int N=1e6,inf=1e18,mod=1e9+6;

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

    return 0;
}

