#include<stdio.h>
int main()
{
    scanf("%d",&a);
    scanf("%d",&b);
    c = a*b;
    d= a*b;
    if(a.isdigit() && b.isdigit())
    {
        printf("%d",c);
        printf("%d",d);
        
    }
    else
    {
        printf("Invalid input");
    }
    return 0;
}