var
	i, j  : longint;
	f1, f2:text;

begin
	assign(f1, ParamStr(2)); reset(f1);
	assign(f2, ParamStr(3)); reset(f2);
	
	read(f1, i);
	read(f2, j);

	if i=j then
		writeln(10)
	else
		writeln(0);

	close(f1);
	close(f2);

end.