#include<stdio.h>
int main()
{
    int N;
    if(scanf("%d", &N) ! = 1)
    {
    printf("Invalid Input\n");
    return 0;
}
if(N < -10 || N > 10)
{
    printf("Invalid Input\n");
    return 0;
}
if(N < 0)
{
    printf("Invalid Input");
    return 0;
}
int arr[100];
int count = 0;
for(int i = 0;i < N; i++)
{
    int quantity;
    scanf("%d", &quantity);
    if(quantity != 0)
    {
        arr[count++] = quantity;
    }
}
for(int i =count; i < N; i++)
{
    arr[i] = 0;
}
for(int i = 0;i< N; i++)
{
    printf(" %d",arr[i]);
}
printf("\n");
return 0;
}