program roadtofour;
var
   s,s1:ansistring;
   p, i, k, g, n, m:integer;
   q,j:array[1..3001] of integer;
   x:array[1..6001] of integer;
begin
 assign(input,'input.txt');
 reset(input);
 assign(output,'output.txt');
 rewrite(output);
 readln(s);
 readln(s1);
 close(input);
 n:=length(s);
 m:=length(s1);
 g:=0;
 for i:=1 to n do
  begin
   val(s[i],q[i]);
  end;
 for i:=1 to m do
  begin
   val(s1[i],j[i]);
  end;
 for p:=m downto 1 do
  for i:=n downto 1 do
   begin
    if (p>1) and (i>1) then
     begin
      g:=j[p]*q[i];
      if g>9 then
       begin
        if (i=n) and (m=p) then
         x[p+i]:=g mod 10
        else
         x[p+i]:=x[p+i]+(g mod 10);
        if (i=n) and (m=p) then
         x[p+i-1]:=g div 10
        else
         x[p+i-1]:=x[p+i-1]+(g mod 10);
        if x[p+i]>9 then
         begin
          x[p+i-1]:=(x[p+i] div 10)+x[p+i-1];
          x[i+p]:=x[i+p] mod 10;
         end
        end
        else
         x[i+p]:=g;
     end
    else
     begin
      g:=j[p]*q[i];
      x[p+i]:=(g mod 10)+x[p+i];
      x[1]:=g div 10;
     end;
   end;
   if x[1]=0 then
    begin
     for i:=2 to (n+m) do
      write(x[i]);
    end
   else
    begin
     for i:=1 to (n+m) do
      write(x[i]);
    end;
 close(output);
end.