#include <stdio.h>
#include <stdlib.h>
#include <string.h>


int main(void)
{
    int size = 0, num = 0;
    while(scanf("%d", &size) != EOF)
    {
        int numList[501] = {0};
        while(size--)
        {
            scanf("%d", &num);
            numList[num] = num;
        }
        for (int i = 0; i < 501; i++)
        {
            if(numList[i] != 0)
            {
                printf("%d\n", numList[i]);
            }
        }
    }
}