#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);
    if (n < 0) {
        printf("Invalid Input\n");
        return 0;
    }
    int arr[100]; 
    for (int i = 0; i < n; i++) 
    {
        scanf("%d", &arr[i]);
    }
    int result[100], k = 0, zeroCount = 0;
    for (int i = 0; i < n; i++)
    \{
        if (arr[i] != 0) {
            result[k++] = arr[i];
        } else {
            zeroCount++;
        }
    }
    for (int i = 0; i < zeroCount; i++) {
        result[k++] = 0;
    }
    for (int i = 0; i < n; i++) {
        printf("%d ", result[i]);
    }

    return 0;
}