#include using namespace std; struct UnionFind{ vector par; UnionFind(int N) : par(N){ for(int i = 0; i < N; i++){ par[i] = -1; } } int root(int x){ if(par[x] < 0) return x; else return par[x] = root(par[x]); } void unite(int x, int y){ int rx = root(x); int ry = root(y); if(rx == ry) return; else{ if(par[rx] == par[ry]){ if(rx > ry) swap(rx, ry); }else if(par[rx] > par[ry]) swap(rx, ry); par[rx] += par[ry]; par[ry] = rx; } } bool same(int x, int y){ return root(x) == root(y); } void check(){ for(auto x : par){ cout << x << " "; } cout << endl; } }; int main(){ cin.tie(0); ios::sync_with_stdio(false); int n, m; cin >> n >> m; UnionFind uf(n); for(int i = 0; i < m; i++){ int a, b; cin >> a >> b; a--; b--; uf.unite(a, b); } for(int i = 0; i < n; i++){ cout << uf.root(i) + 1 << endl; } return 0; }