import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
double[] score = new double[n];
double sum = 0;
for(int i = 0; i < score.length; i++) {
score[i] = scanner.nextDouble();
sum += score[i];
}
double maxScore = score[0];
double minScore = score[0];
for(int i = 1; i < score.length; i++) {
if(score[i] > maxScore) {
maxScore = score[i];
}
if(score[i] < minScore) {
minScore = score[i];
}
}
//平均分
double averageScore = sum / n;
System.out.printf("%.2f %.2f %.2f",maxScore, minScore, averageScore);
}
}