import java.util.Scanner;

public class Practice {

public static void main(String[] args) {

	int nextValue;

	int sum = 0;

	Scanner kbInput = new Scanner(System.in);

	kbInput.useDelimiter("\\s");//设置数据之间的分隔符号为空格

	while (kbInput.hasNextInt()) {

		nextValue = kbInput.nextInt();

		sum += nextValue;

	}

	System.out.println("Sum:" + sum);

            kbInput.close();// 读完后关闭输入流对象

}

}