from itertools import *
from bisect import *
from math import *
from collections import *
from heapq import *
from random import *
from decimal import *
import numpy as np
import sys

sys.setrecursionlimit(10 ** 6)
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def MI1(): return map(int1, sys.stdin.readline().split())
def MF(): return map(float, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LF(): return list(map(float, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
dij = [(0, 1), (1, 0), (0, -1), (-1, 0)]

class UnionFind:
    def __init__(self, n):
        self.state = [-1] * n

    def root(self, u):
        v = self.state[u]
        if v < 0: return u
        self.state[u] = res = self.root(v)
        return res

    def merge(self, u, v):
        ru = self.root(u)
        rv = self.root(v)
        if ru == rv: return
        cu = -self.state[ru]
        cv = -self.state[rv]
        if cu < cv: ru, rv = rv, ru
        if cu == cv and ru > rv: ru, rv = rv, ru
        self.state[ru] = -cu - cv
        self.state[rv] = ru
        return

def main():
    n,m=MI()
    uf=UnionFind(n+1)
    for _ in range(m):
        a,b=MI()
        uf.merge(a,b)
    for i in range(1,n+1):
        print(uf.root(i))

main()