#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;

int par[10000],s[10000];

int find(int x){
	if(x==par[x])return x;
	return par[x]=find(par[x]);
}
void unite(int x,int y){
	par[x]=y;
	s[y]+=s[x];
}
int main() {
	int n,m;scanf("%d%d",&n,&m);
	rep(i,n)par[i]=i,s[i]=1;
	rep(i,m){
		int a,b;scanf("%d%d",&a,&b);a--;b--;
		a=find(a);b=find(b);
		if(a==b)continue;
		if(s[a]!=s[b]){
			if(s[a]<s[b])unite(a,b);
			else unite(b,a);
		}
		else{
			if(a>b)unite(a,b);
			else unite(b,a);
		}
	}
	rep(i,n)printf("%d\n",find(i)+1);
}