#include "stdio.h"
#include "string.h"
int test(int n,int * array,int count)
{
for (int i = 0; i < count; i++)
{
if (n == array[i])
return 1;
}
return 0;
}
void sortArray(int* array, int count)
{
for (int i = 0; i < count - 1; i++)
{
for (int j = 0; j < count - 1 - i; j++)
{
if (array[j] > array[j + 1])
{
int tmp = array[j];
array[j] = array[j + 1];
array[j + 1] = tmp;
}
}
}
}
int main(void)
{
int array[1000];
int count = 0;
int num1,num2;
#pragma warning(suppress : 4996)
while (scanf("%d", &num1) != EOF)
{
count = 0;
for (int i = 0; i < num1; i++)
{
#pragma warning(suppress : 4996)//用VS写的,需要压制警告
scanf("%d", &num2);
if (!test(num2, array, count))
{
array[count] = num2;
count++;
}
}
sortArray(array, count);
for (int i = 0; i < count; i++)
printf("%d\r\n", array[i]);
}
return 0;
}