#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 cifra(long long x)
{ int c;
  c=x;
  while (x>0)
	{ c=x;
	  x=x/10;
	}
  return c;
}
long long next (long long x)
{ long long y=0,p=1;
  while (x>9)
	{ y=y+x%10*p;
	  p=p*10;
	  x=x/10;
	}
  return y;
}
long long dif(long long x,long long y)
{ long long d=1;
  while (y>0)
	{ x=x/10;
	  y=y/10;
	}
  while (x>0)
	{ d=d*10;
	  x=x/10;
	}
  return d;
}
int nrc(long long x)
{ if (x==0) return 1;
  int nr=0;
  while (x>0)
	{ nr++;
	  x=x/10;
	}
  return nr;
}
int main()
{ long a,b;
  long long x,m,y;
  int c,d,nrm,nry,sw;
  ifstream f("multiplu.in");
  ofstream g("multiplu.out");
  f>>a>>b;
  m=cmmmc(a,b);
  nrm=nrc(m);
  d=cifra(m);
  x=m;
  while (verif(x)==0)
	{ x=x+m;
	  y=x;
	  nry=nrc(y);
	  sw=0;
	  while (nry>=nrm)
		{ if (sw==0) c=cifra(y);
		  if (((c!=1&&c!=0)||sw==1)&&c+d<9)
				{ x=x+m*dif(y,m);
				  sw=1;
				}
		  y=next(y);
		  nry--;
		}
	}
  g<<x;
  f.close();
  g.close();
  return 0;
}