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 Java8 (OpenJDK 1.8.0) (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[] sa = s.split("");
		String[] ta = t.split("");
		Arrays.sort(sa);
		Arrays.sort(ta,Comparator.reverseOrder());
		
		
		s = "";
		t = "";
		for(int i=0; i < sa.length; i++) {
			s = s + sa[i];
		}
		for(int i = 0; i< ta.length; i++) {
			t = t + ta[i];
		}
		String ans;
		if(s.compareTo(t) < 0) {
			ans = "Yes";
		}else {
			ans = "No";
		}
		
		System.out.print(ans);
	}
}