using System;
using System.Collections.Generic;
using System.Linq;

class Solution
{
    static void Main()
    {
        var vals = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
        var n = vals[0];
        var m = vals[1];
        var battles = new int[m][];
        for (int i = 0; i < m; i++)
        {
            battles[i] = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
        }

        var team = Enumerable.Range(0, n + 1).ToArray();

        foreach (var battle in battles)
        {
            var boss = battle.Select(i => team[i]).ToArray();
            var win = boss[0];
            var lose = boss[1];

            if (win == lose)
            {
                continue;
            }

            var counts = Enumerable.Range(0, 2).Select(i => team.Count(t => t == boss[i])).ToArray();
            if (counts[0] < counts[1])
            {
                win = boss[1];
                lose = boss[0];
            }
            else if (counts[0] == counts[1] && boss[0] > boss[1])
            {
                win = boss[1];
                lose = boss[0];
            }

            for (int i = 1; i <= n; i++)
            {
                if (team[i] == lose)
                {
                    team[i] = win;
                }
            }
        }

        foreach (var t in team.Skip(1))
        {
            Console.WriteLine(t);
        }
    }
}