#include<stdio.h>
int main(){
    int n;
    scanf("%d",&n);
    if(n <= 0){
        printf("Invalid Input");
        return 0;
    }
    int scores[n];
    int max = -1, min = 101, sum = 0;
    for (int i = 0; i < n; i++){
        scanf("%d",&scores[i]);
        if(scores[i] > max) max=scores[i];
        if(scores[i] < min) min=scores[i];
        result += scores[i];
    }
    float avg = (float)result / n;
    printf("%d\n%d\n%.2f", max, min, avg);
    return 0;
}