#include<stdio.h>

struct Card{
  char suit;
  char value;
};

void bubble(struct Card A[],int n){
  int i,j;
  struct Card t;

  for(i = 0;i < n;i++){
    for(j = n - 1;j >= i + 1;j--){
      if(A[j].value < A[j - 1].value){
	t = A[j];
	A[j] = A[j - 1];
	A[j - 1] = t;
      }
    }
  }
}

void selection(struct Card A[],int n){
  int i,j,mini;
  struct Card t;

  for(i = 0;i < n;i++){
    mini = i;

    for(j = i;j < n;j++){
      if(A[j].value < A[mini].value){
	mini = j;
      }
    }

    t = A[i];
    A[i] = A[mini];
    A[mini] = t;
  }
}

void print(struct Card A[],int n){
  int i;

  for(i = 0;i < n;i++){
    if(i > 0) printf(" ");
    printf("%c%c",A[i].suit,A[i].value);
  }
  printf("\n");
}

int 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 0;
    }
  }

  return 1;
}

int main(){
  struct Card C1[101],C2[101];
  int i,n;
  char ch;

  scanf("%d\n",&n);

  for(i = 0;i < n;i++){
    scanf("%c%c ",&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);
  printf("Stable\n");
  print(C2,n);
  if(isStable(C1,C2,n) == 1){
    printf("Stable\n");
  }
  else{
    printf("Not stable\n");
  }

  return 0;
}

