#include <stdio.h>

int main() {
    int n;
    float score, max = 0.0, min = 100.0, avg = 0.0;
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        scanf("%f", &score);
        if (score > max)
            max = score;
        if (score < min)
            min = score;
        avg += score;
    }
    avg = avg  / n;
    printf("%.2f %.2f %.2f", max, min, avg);
    return 0;
}