class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = list(range(n))
        self.size0 = [1]*(n)
        self.roots = n

    def find(self, x):
        if self.parents[x] == x:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if self.parents[x] > self.parents[y]:
            x, y = y, x
        if self.size(x) < self.size(y):
            x,y = y,x
        if x == y:
            return
        self.size0[x] += self.size0[y]
        self.roots -= 1
        self.parents[y] = x

    def size(self, x):#O(1)xが含まれる集合の要素数
        return self.size0[self.find(x)]

    def same(self, x, y):#O(1)
        return self.find(x) == self.find(y)

    def membersf(self, x):#取り出し部分はO(N)
        p = self.find(x)
        ret = []
        for i in range(self.n):
            if self.find(i) == p:
                ret.append(i)
        return ret

    def rootsf(self):#根の要素O(N)
        ret = []
        for i in range(self.n):
            if self.find(i) == i:
                ret.append(i)
        return ret

    def group_count(self):#根の数O(1)
        return self.roots

N,M = map(int,input().split())
lsAB = [tuple(map(lambda x:int(x)-1,input().split())) for i in range(M)]
UF = UnionFind(N)
for i in range(M):
    a,b = lsAB[i]
    UF.union(a,b)

for i in range(N):
    print(UF.find(i)+1)