#include <stdio.h>

int gcd(int a, int b) {
    
    if (b == 0)
    return a;
    return gcd(b, a % b);
}



int main(){
    int a, b;
    
    scanf("%d%d", &a, &b);
    
    if(a <= 0 || b <= 0) {
        return 0;
    }
    
    int 1cm = (a * b) \ gcd(a, b);
    
    printf("%d", 1cm);
}