import java.util.Scanner;
public class Input {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int a;
int b;
int sum;
System.out.println("请输入a,b;结束请输入任意非整数!");
while(sc.hasNext()) {
a = sc.nextInt();
b = sc.nextInt();
sum = a + b;
System.out.println("a+b=" + sum);
}
}
}