#include <stdio.h>

int gcd(int x,int y){ while(x!=y) { if(x>y)x=x-y; else y=y-x; } return x; }

int main() { int x,y; scanf("%d %d",&x,&y); if(x<=0||y<=0){ return 0; } int min = gcd(x,y); int max = x*y/min; printf("%d",max); return 0; }