#include<stdio.h>
int gcd(int a,int b){
    while (b != 0){
        int temp = b;
        b = a % b;
        a = temp;
    }
    return 0;
}
int main(){
    int a, b;
    scanf("%d %d", &a,&b);
    if(a < 0 || b< 0);{
        printf("Invalid Input");
        
    }else {
        int g = gcd(a, b);
        int lcm = (a * b)/g;
        printf("%d",lcm);
    }
    return 0;
}