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