#include <stdio.h>

int s[10010];

int whoisboss(int a) {
    if(s[a]>100000) return a;
    else {
        s[a]=whoisboss(s[a]);
        return s[a];
    }
}

int main() {
    int n,m;
    scanf("%d %d",&n,&m);
    for (int i=1;i<=n;i++) {
        s[i]=100001;
    }
    int a,b;
    int ba,bb;
    for (int i=1;i<=m;i++) {
        scanf("%d %d",&a,&b);
        ba=whoisboss(a);
        bb=whoisboss(b);
        if (s[ba]>s[bb]) {
            s[ba]+=s[bb]%100000;
            s[bb]=a;
        }
        else if (s[ba]==s[bb]) {
            if (ba<bb) {
                s[ba]+=s[bb]%100000;
                s[bb]=a;
            }
            else if (bb<ba) {
                s[bb]+=s[ba]%100000;
                s[ba]=b;
            }
        }
        else {
            s[bb]+=s[ba]%100000;
            s[ba]=b;
        }
    }
    for (int i=1;i<=n;i++){
        printf("%d\n",whoisboss(i));
    }
}