import java.util.Scanner;
public class homework4 {
public static void main(String[] args) {
Scanner scanner=new Scanner(System.in);
do {
int x=scanner.nextInt();
int y=scanner.nextInt();
if (x<=0||x>10){
System.out.println("不是正确的乘法口诀表");
return;
}
if (y<=0||y>10){
System.out.println("不是正确的乘法口诀表");
return;
}
System.out.println(x*y);
}while(true);
}
}