#include <iostream> #include <random> #include <unordered_set> #include <vector> using namespace std; using i64 = long long; minstd_rand0 rng(110108200911120917); // 14 * WJY + 4 * FYQ inline int randint(int l, int r) { return l + rng() % (r - l + 1); } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n, m; cin >> n >> m; vector<vector<int>> graph(n + 1); for (int i = 0; i < m; ++i) { int u, v; cin >> u >> v; graph[u].push_back(v); graph[v].push_back(u); } for (int i = 1; i <= n; ++i) { if (i == 1) cout << "1 "; else if (i == 2) cout << "2 "; else cout << "3 "; } return 0; }