#include <stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    
    if (n < 0) {
        printf("Invalid Input");
    }
    
    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d" &arr[i]);
    }
    
    int count = 0;
    
    for (int i = 0; i < n; i++) {
        if (arr[i] != 0) {
            arr[count++] = arr[i];
        }
    }
    
    while (count < n) {
        arr[count++] = 0;
    }
    
    for (int i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    printf("");
}