>=<

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define for1(i, a, b) for(i = a; i <= b; ++i)
#define for0(i, a, b) for(i = a; i < b; ++i)
#define forw1(i, a, b) for(i = a; i >= b; --i)
#define forw0(i, a, b) for(i = a - 1; i >= b; --i)
#define fora(v, a) for(auto v : a)
#define bp __builtin_popcount
#define bpll __builtin_popcountll

using namespace std;
using cd = complex<double>;

typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<cd> vcd;
typedef vector<ii> vii;
typedef vector<vector<int> > vvi;

const int modd1 = 1e9 + 7, modd2 = 998244353, maxn = 10;
const double pi = acos(-1);

void solve(){

}

signed main() {
    //freopen(".in", "r", stdin);
    //freopen(".out", "w", stdout);
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    solve();
}