class UnionFind(n: Int) {
    private val parent = IntArray(n) { -1 }
    private val rank = IntArray(n)
    private val size = IntArray(n) { 1 }
    private var numTree = n

    private val top = IntArray(n) { it }

    fun find(x: Int): Int {
        if (parent[x] == -1) {
            return x
        } else {
            parent[x] = find(parent[x])
            return parent[x]
        }
    }

    fun isSame(x: Int, y: Int): Boolean {
        return find(x) == find(y)
    }

    fun getSize(): Int {
        return numTree
    }

    fun sizeOf(x: Int): Int {
        return size[find(x)]
    }

    fun rankOf(x: Int): Int {
        return rank[find(x)]
    }

    fun getTop(x: Int): Int {
        return top[find(x)]
    }

    fun unite(x: Int, y: Int) {
        val parentX = find(x)
        val parentY = find(y)

        if (parentX == parentY) {
            return
        }

        numTree--

        if (sizeOf(parentX) < sizeOf(parentY)) {
            top[parentX] = top[parentY]
        } else if(sizeOf(parentX) > sizeOf(parentY)) {
            top[parentY] = top[parentX]
        } else if (parentX < parentY) {
            top[parentY] = top[parentX]
        } else {
            top[parentX] = top[parentY]
        }

        if (rank[parentX] < rank[parentY]) {
            parent[parentX] = parentY
            size[parentY] += size[parentX]
        } else {
            parent[parentY] = parentX
            size[parentX] += size[parentY]
            if (rank[parentX] == rank[parentY]) {
                rank[parentX]++
            }
        }
    }
}

fun main() {
    val builder = StringBuilder()

    val (n, m) = readInputLine().split(" ").map { it.toInt() }

    val uf = UnionFind(n)

    repeat(m) {
        val (a, b) = readInputLine().split(" ").map { it.toInt() - 1 }
        uf.unite(a, b)
    }

    repeat(n) {
        builder.appendln(uf.getTop(it) + 1)
    }

    print(builder.toString())
}

fun readInputLine(): String {
    return readLine()!!
}