#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(l)
    {
        if(lcm%a==0 && lcm% b==0)
        {
        printf("%d",lcm);
        break;
    }
    lcm++;
}
return 0;