#include <iostream>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <algorithm>
#include <queue>
#include <math.h>
#include <random>
#include <string>
#include <cstring>
#include <set>
#include <vector>
#include <map>
using namespace std;
#define max3(a, b, c) max(a, max(b, c))
#define min3(a, b, c) min(a, min(b, c))
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define endl '\n'
#define uset unordered_set
#define umap unordered_map
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>
const int inf = 2e9;
const int N = 5e3 + 15;
int n, deg[N];
void initialize(int N) {
n = N;
}
int hasEdge(int u, int v) {
++deg[u], ++deg[v];
if(deg[u] == n - 1 || deg[v] == n - 1)
return 1;
return 0;
}
