#include <stdio.h>
void InsertionSort(int arr[], int n) {
    int key, j;
    for(int i=1;i<n;i++){
        key=arr[i];
        j=i-1;
        while (j >= 0 && arr[j] > key) {
            arr[j+1]=arr[j];
            j--;
        }
        arr[j+1]=key;
    }
}
int main() {
    int n;
    if (scanf(" %d", &n)!=1 || n<0) {
        printf("Invalid input");
        return 0;
    }
    int arr[100];
    for (int i =0; i < n; i++){
        if(scanf(" %d", &arr[i])!=1){
            printf("Invalid input");
            return 0;
            
        }
    }
    InsertionSort(arr,n);
    for (int i = 0; i < n: i++){
        printf("%d", arr[i]);
    }
    return 0;
}