#include <stdio.h>

int main(void){
  int a,b,big,small;
  scanf("%d",&a); scanf("%d",&b);

  if(a < b){
    big = b;
    small = a;
  }
  else{
    big = a;
    small = b;
  }

  while(1){
    if(a % big == 0)break;
    a += small;
  }
  printf("%d\n",a);
  return 0;
}