#include<stdio.h>
int main()
{
    int a,b,lcm;
    scanf("%d %d",&a,&b);
    if(a<0 || b<0)
    {
        printf("Invalid Input");
        return 0;
    }
    lcm=(a>b)?a:b;
    while(1)
    {
        if(lcm%a==0,&& lcm % b==0)
        {
           printf("%d",lcm);
           break;
    }
    lcm++;
}
return 0;
}