#include<stdio.h>int main(){ int n; while (scanf("%d", &n), n) { int i, sum = 0, max = -1, min = 1001, num; for (i = 0; i < n; i++) { scanf("%d", &num); sum += num; if (num < min) min = num; if (num > max) max = num; } printf("%dn", (sum - max - min) / (n - 2)); } return 0;}