#include<iostream>
using namespace std;
struct Card{char suit, value;};

void bubble(struct Card A[], int N){
  int i,j;
  for(i = 0; i<N;i++){
    for(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){
  int i,j;
  for(i = 0; i<N; i++){
    int minj = i;
    for(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){
  int i;
  for(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){
  int i;
  for(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,i;
  char ch;

  cin >> N;
  for(i = 0; i<N; i++){
    cin >> C1[i].suit >> C1[i].value;
  }
  for(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;
}

