#include <stdio.h>
#include <stdint.h>
void find_top_3(uint8_t *arr, uint8_t n) {
// Your logic here
*a = *b = *c = -1;
for (int i = 0; i < n; i++) {
if (arr[i] > *a) {
*c = *b;
*b = *a;
*a = arr[i];
} else if (arr[i] > *b) {
*c = *b;
*b = arr[i];
} else if (arr[i] > *c) {
*c = arr[i];
}
}
}
int main() {
uint8_t n;
scanf("%hhu", &n);
uint8_t arr[100];
for (uint8_t i = 0; i < n; i++) {
scanf("%hhu", &arr[i]);
}
find_top_3(arr, n);
return 0;
}