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());

        if (a>=-200 & a<=200 & b>=-200 & b<=200 & c>=-200 & c<=200) {
            if (a>=b & a>=c){
                System.out.println(a);
            }
            else if (b>=c) {
                System.out.println(b);
            }
            else {
                System.out.println(c);
            }
        }

    }
}