#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) {
    if (a == 0 || b == 0) return 0;
    int product = a*b;
    if(product < 0) product = -product;
    return product / gcd(a, b);
}

int main(){
    int a,b;
    scanf("%d %d",&a,&b);
    
    if(a < 0 || b < 0){
        printf("Invalid Inpute");
    }else if (a == 0  || b== 0) {
        printf("0\n");
    }else{
        printf("%d\n", lcm(a, b));
    }
    return 0;
}