temp_basic.cpp

#include<bits/stdc++.h>
using namespace std;


#define ll                long long
#define pb                push_back
#define ppb               pop_back
#define pf                push_front
#define ppf               pop_front
#define all(x)            (x).begin(),(x).end()
#define uniq(v)           (v).erase(unique(all(v)),(v).end())
#define sz(x)             (int)((x).size())
#define fr                first
#define sc                second
#define pii               pair<int,int>
#define rep(i,a,b)        for(int i=a;i<b;i++)
#define mem1(a)           memset(a,-1,sizeof(a))
#define mem0(a)           memset(a,0,sizeof(a))
#define ppc               __builtin_popcount
#define ppcll             __builtin_popcountll


const long long INF=1e18;
const int32_t M=1e9+7;
const int32_t MM=998244353;
const int N=0;

void precal(){

}

void solve(){
	
}

int main(){

	cout<<fixed;
	cout<<setprecision(10);
	precal();

	int t=1;
	// cin>>t;
	while(t--){
		solve();
	}

return 0;
}