Problem:
Score : 100 points

Problem Statement

You are given two positive integers a and b.
Let x be the average of a and b.
Print x rounded up to the nearest integer.

Constraints

a and b are integers.

1 \leq a, b \leq 100

Input

Input is given from Standard Input in the following format:

a b

Output

Print x rounded up to the nearest integer.

Sample Input 1

1 3

Sample Output 1

2

The average of 1 and 3 is 2.0, and it will be rounded up to the nearest integer, 2.

Sample Input 2

7 4

Sample Output 2

6

The average of 7 and 4 is 5.5, and it will be rounded up to the nearest integer, 6.

Sample Input 3

5 5

Sample Output 3

5

Solution in Java (OpenJDK 11.0.6) (judge verdict: Wrong Answer)

import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    String t = sc.next();
    String s1[] = s.split("");
    String t1[] = t.split("");
    Arrays.sort(s1, Comparator.reverseOrder());
    Arrays.sort(t1, Comparator.reverseOrder());
    for (int i = 0; i < s.length(); i++){
      if (t1[i].compareTo(s1[i]) > 0){
        System.out.println("Yes");
        return;
      }
    }
    String ss = String.join("", s1);
    String tt = String.join("", t1);
    if (ss.length() < tt.length()){
      if (tt.substring(0, ss.length()).equals(ss)){
        System.out.println("Yes");
        return;
      }
    }
    System.out.println("No");
  }
}