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