#include<stdio.h>
int main()
{
    int a,b;
    if(scanf("%d",&a) !=1 || scanf("%d",&b) ! = 1){
        printf("Invalid input");
    }
    print(:%d,a*b);
    if(b==0){
        printf("Invalid input")
    }
    else{
        printf("%d",a/b);
    }
}