#include<iostream>
using namespace std;

struct Card {char suit, value;};

void bubble(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 selection(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];

  bubble(C1, N);
  selection(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;
}
