#include <stdio.h>
int main()
{
    int n;
    scanf("%d", &n);
    if(n < 0){
        printf("Invalid input");
        return 0;
    }
    int arr[n];
    for(int i = 0;i < n;i++){
        scanf("%d", &arr[i]);
    }
    for (int i =0;i< n;i++){
        for(int j = i + 1;j < n; j++){
        if(arr[i] > arr[j]){
            int temp = arr[i];
            arr[i] = aee[j];
            arr[j] = temp;
         }
     }
  }
  for(int i =0;i < n;i++){
      printf("%d",arr[i]);
  }
  return 0;
}