import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

public class asd {

    public static void main(String[] args) throws Exception {
        List<BigDecimal> integerList = getIntegerList();
        System.out.println("min=" + String.format("%.2f", getMinimum(integerList)));
        System.out.println("max=" + String.format("%.2f", getMaximum(integerList)));
        System.out.println("sum=" + String.format("%.2f", getSum(integerList)));
        System.out.println("avg=" + String.format("%.2f", getAvg(integerList)));
    }

    public static BigDecimal getMinimum(List<BigDecimal> array) {
        return Collections.min(array);
    }

    public static BigDecimal getMaximum(List<BigDecimal> array) {
        return Collections.max(array);
    }

    public static BigDecimal getSum(List<BigDecimal> array) {
        return array.stream().reduce(BigDecimal::add).orElse(BigDecimal.ZERO);
    }

    public static BigDecimal getAvg(List<BigDecimal> array) {
        return getSum(array).divide(BigDecimal.valueOf(array.size()), 2, RoundingMode.HALF_UP);
    }

    public static List<BigDecimal> getIntegerList() {
        var scanner = new Scanner(System.in);
        return IntStream.range(0, scanner.nextInt()).mapToObj(i -> BigDecimal.valueOf(scanner.nextDouble())).collect(Collectors.toList());
    }
}