#include <iostream>
#include <cstdio>
#include <map>
#include <cmath>
#include <string>
#define MAX 10001
using namespace std;
typedef long long int lli;

int f[MAX];
int k[MAX];


int find(int x){
	if(f[x]==x)return x;
	else return f[x]=find(f[x]);
}

int u(int a,int b){
	int fa=find(a);
	int fb=find(b);
	if(fa==fb)return 0;
	// cout<<"u:"<<a<<":"<<find(a)<<" "<<b<<":"<<find(b)<<endl;
	f[find(a)]=find(b);
	int t=k[a]+k[b];
	k[a]=k[b]=t;
}

int main(void){
	int n,m,a,b;
	cin>>n>>m;
	for(int i=0;i<n;i++){
		f[i]=i;
		k[i]=1;
	}
	while(m--){
		cin>>a>>b;
		a--;b--;
		if(k[a]==k[b]){
			if(find(a)>find(b)) u(a,b);
			else if(find(a)<find(b)) u(b,a);
		}else if(k[a]<k[b]) u(a,b);
		else u(b,a);
	}
	for(int i=0;i<n;i++){
		cout<<find(i)+1<<endl;
	}
	return 0;
}