#include <bits/stdc++.h>
using namespace std;
struct Card {
  char suit, value;
};
void bubbleSort(struct Card A[], int N) {
  for (int i = 0; i < N; i++) {
    for (int j = N - 1; j >= i; j--) {
      if (A[j].value < A[j - 1].value) {
        Card t = A[j];
        A[j] = A[j - 1];
        A[j - 1] = t;
      }
    }
  }
}
void selectionSort(struct Card A[], int N) {
  for (int i = 0; i < N; i++) {
    int minj = i;
    for (int j = i; j < N; j++) {
      if (A[j].value < A[minj].value) minj = j;
    }
    Card t = A[i];
    A[i] = A[minj];
    A[minj] = t;
  }
}
void print(struct Card A[], int N) {
  for (int i = 0; i < N; i++) {
    if (i > 0) cout << " ";
    cout << A[i].suit << A[i].value;
  }
  cout << endl;
}
bool isStable(struct Card C1[], struct Card C2[], int N) {
  for (int i = 0; i < N; i++) {
    if (C1[i].suit != C2[i].suit) return false;
  }
  return true;
}
int main() {
  Card C1[100], C2[100];
  int N;
  char ch;
  cin >> N;
  for (int i = 0; i < N; i++) {
    cin >> C1[i].suit >> C1[i].value;
  }
  for (int i = 0; i < N; i++) C2[i] = C1[i];
  bubbleSort(C1, N);
  selectionSort(C2, N);
  print(C1, N);
  cout << "Stable" << endl;
  print(C2, N);
  if (isStable(C1, C2, N)) {
    cout << "Stable" << endl;
  } else {
    cout << "Not Stable" << endl;
  }
  return 0;
}
