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{$APPTYPE CONSOLE}

uses
  Math;

const
  MAXSIZE = 1000;

type
  BigInt = record
    size: integer;
    number: array [1..MAXSIZE] of integer;
  end;

var
  n, m, res: BigInt;

procedure println(var x: BigInt);
var
  i: integer;
begin
  for i := x.size to MAXSIZE do
    write(x.number[i]);
  writeln;
end;

procedure cin(var x: BigInt);
var
  i: integer;
  s: string;
begin
  readln(s);
  x.size := MAXSIZE - length(s) + 1;
  for i := x.size to MAXSIZE do
    x.number[i] := ord(s[i - x.size + 1]) - 48;
end;

function add(n, m: BigInt): BigInt;
var
  i, temp: integer;
begin
  for i := MAXSIZE downto min(n.size, m.size) do begin
    temp := result.number[i] + n.number[i] + m.number[i];
    result.number[i] := temp mod 10;
    result.number[i - 1] := temp div 10;
  end;
  result.size := min(n.size, m.size);
  if (result.number[result.size - 1] > 0) then
    dec(result.size);
end;

function mult(n, m: BigInt): BigInt;
var
  i, j, index, temp: integer;
begin
  for i := 1 to MAXSIZE do
    result.number[i] := 0;
  for i := MAXSIZE downto n.size do
    for j := MAXSIZE downto m.size do begin
      index := i + j - MAXSIZE;
      temp := result.number[index] + n.number[i] * m.number[j];
      result.number[index] := temp mod 10;
      inc(result.number[index - 1], temp div 10);
    end;
  i := 1;
  while ((i < MAXSIZE) and (result.number[i] = 0)) do
    inc(i);
  result.size := i;
end;

begin
  assign(input, 'INPUT.TXT');
  reset(input);
  assign(output, 'OUTPUT.TXT');
  rewrite(output);
  cin(n);
  cin(m);
  res := mult(n, m);
  println(res);
  readln;
  readln;
end.