#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 + 1; 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;
}

