#include <stdio.h> int main() { int n = 0; scanf("%d", &n); int arr[1000] = { 0 }; int brr[1000] = { 0 }; int i = 0; int j = 0; int t = 0; for (i = 0; i < n; i++) { scanf("%d", &arr[i]); } for (i = 0; i < n; i++) { for ( j = 0; j < i; j++) { if (arr[i] == arr[j]) break; } if (j ==i) { brr[t] = arr[i]; t++; } } //printf("%d\n", t); for (int i = 0; i < t; i++) { printf("%d ", brr[i]); } return 0; }