View Code of Problem 78

import java.util.Arrays;
import java.util.Scanner;

public class Main {

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

        String[] input = new String[3];
        for(int i = 0; i < 3; i ++) {
            input[i] = sc.next();
        }

        Arrays.sort(input);
        for(int i = 0; i < 3; i ++) {
            System.out.println(input[i]);
        }
    }
}