#include <fstream.h>
long cmmmc(long a,long b)
{ long p,r;
  p=a*b;
  while (a%b!=0)
	{ r=a%b;
	  a=b;
	  b=r;
	}
  return p/b;
}
int verif(long long x)
{ while (x>0)
	{ if (((x%10)!=0)&&((x%10)!=1)) return 0;
	  x=x/10;
	}
  return 1;
}
int main()
{ long a,b,m;
  long long x;
  ifstream f("multiplu.in");
  ofstream g("multiplu.out");
  f>>a>>b;
  m=cmmmc(a,b);
  x=m;
  while (verif(x)==0) x=x+m;
  g<<x;
  f.close();
  g.close();
  return 0;
}