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