import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	
	public static class UnionFind {
		int[] par;
		
		public UnionFind(int n){
			this.par = new int[n];
			Arrays.fill(par, -1);
		}
		
		public int find(int x){
			if(par[x] < 0){
				return x;
			}else{
				return par[x] = find(par[x]);
			}
		}
		
		public boolean union(int x, int y){
			x = find(x); 
			y = find(y);
			
			if(x == y){ return false; }
			
			if(par[x] < par[y]){
				par[x] += par[y];
				par[y] = x;
			}else if(par[x] > par[y]){
				par[y] += par[x];
				par[x] = y;
			}else if(x < y){
				par[x] += par[y];
				par[y] = x;
			}else{
				par[y] += par[x];
				par[x] = y;
			}
			
			return true;
		}
		
		public int size(int x){
			return -par[find(x)];
		}
	}
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int N = sc.nextInt();
		final int M = sc.nextInt();
		
		UnionFind uf = new UnionFind(N); 
		for(int i = 0; i < M; i++){
			final int A = sc.nextInt() - 1;
			final int B = sc.nextInt() - 1;
			
			uf.union(A, B);
		}
		
		for(int i = 0; i < N; i++){
			System.out.println(uf.find(i) + 1);
		}
	}
}