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