#include <iostream>
#include <algorithm>
#include <vector>
#include <string>

using namespace std;

int main() {
  int n, m;
  cin >> n >> m;

  vector<int> boss(n);
  for (int i = 0; i < n; i++) {
    boss[i] = i;
  }

  for (int i = 0; i < m; i++) {
    int a, b;
    cin >> a >> b;
    a--;
    b--;
    a = boss[a];
    b = boss[b];

    int sa = 0;
    int sb = 0;
    for (int j = 0; j < n; j++) {
      if (boss[j] == a) sa++;
      if (boss[j] == b) sb++;
    }

    if (sa > sb || (sa == sb && a < b)) {
      for (int j = 0; j < n; j++) {
        if (boss[j] == b) boss[j] = a;
      }
    } else {
      for (int j = 0; j < n; j++) {
        if (boss[j] == a) boss[j] = b;
      }
    }
  }

  for (int i = 0; i < n; i++) {
    cout << boss[i] + 1 << endl;
  }
}