Submission #1370431

---

Source Code Expand

import java.io.IOException;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws IOException {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int h = scanner.nextInt();
		System.out.println((a+b)*h/2);
	}
}

Submission Info

Judge Result