#include <stdio.h>
int main() {
    int n; 
    arr[100];
    int sum = 0, max, min;
    float avg;
    
    if (scanf("%d", &n) != || n<1 || n >100) {
        printf("invalid input");
        return 0;
    }
    for(int i = 0; i < n;i++) {
        if (scanf("%d", &arr[i]) != 1) {
            printf("Invalid input");
            return 0;
        }
    }
    
    sum = arr[0];
    max = arr[0];
    min = arr[0];
    
    for(int i = 1; i < n; i++) {
        sum += arr[i];
        if(arr[i]>max)
        max= arr[i];
        if(arr[i] < min) 
        min = arr[i];
    }
    avg = (float)sum/n;
}