#include<stdio.h>
int main() {
    int n,i,j,a[100],t;
    scanf("%d",&n);
    if(n <= 0) { printf("Invalid input"); return 0;
    for (i =0;i <n;i++) scanf("%d",&a[i]);
    for (i =0;i < n; i++) scanf("%d",&a[i]);
    for (j =0;i + 1;j < n; j++)
    if(a[i] < a[j]) { t = a[i];
    a [i]= a[j];a[j] = t; }
    for(i =0; i < n;i++) printf("%d", a[i]);
    }