#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]);
}
}
}
}



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