백준, 1000번
문제유형: 입출력
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int A = sc.nextInt();
int B = sc.nextInt();
if(0<A && B<10){
System.out.println(A+B);
} else {
return;
}
}
}