package com.telerikacademy;

import java.util.Scanner;

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

        String firstStr = scanner.nextLine();
        String secondStr = scanner.nextLine();
        String thirdStr = scanner.nextLine();
        String forthStr = scanner.nextLine();
        String fifthStr = scanner.nextLine();

        float firstNum = Float.parseFloat(firstStr);
        float secondNum = Float.parseFloat(secondStr);
        float thirdNum = Float.parseFloat(thirdStr);
        float forthNum = Float.parseFloat(forthStr);
        float fifthdNum = Float.parseFloat(fifthStr);


        String biggestStr = firstStr;
        float biggestNum = firstNum;


            if(secondNum > biggestNum) biggestStr = secondStr;
            if(thirdNum > biggestNum) biggestStr = thirdStr;
            if(forthNum > biggestNum) biggestStr = forthStr;
            if(fifthdNum > biggestNum) biggestStr = fifthStr;

        System.out.println(biggestStr);
    }
}