BiggestOfThree

import java.util.Scanner;

public class BiggestOfThree {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double a = Double.parseDouble(scanner.nextLine());
        double b = Double.parseDouble(scanner.nextLine());
        double c = Double.parseDouble(scanner.nextLine());

        int counterA = (int) a;
        int counterB= (int) b;
        int counterC= (int) c;


        if (a >= -200 & a <= 200 & b >= -200 & b <= 200 & c >= -200 & c <= 200) {
            if (a >= b & a >= c) {
                if (a == counterA) {
                    System.out.println(counterA);
                } else {
                    System.out.printf("%.2f",a);
                }
            }
            else {
                if (b==counterB & c==counterC){
                    System.out.println(Math.max(counterB,counterC));
                }
                else {
                    System.out.println(Math.max(b, c));
                }
                }
            }
        }

    }