#include<stdio.h>
{
    int gcd(int a,int a)
    {
        if(b==0)
        return 0;
        else
        return gcd(b,a%b);
    }
    int 1cm(inta,int b)
    {
        return (a*b)/gcd(a,b);
    }
    int main()
    {
        int a,b;
        if (a<0||b<0)
        {
            printf("Invalid Input\n");
        }
        else
        {
            printf("%d\n",1cm(a,b));
        }
        return 0;
    }
}