print((function (f, g, a, b)
	if f(a) and f(b) then return g(a:sub(1,#a-1),b) end
	local r=g(a,b)
	if r:sub(1,1)=="-" then if #r>9 then r="E" end else if #r>8 then r="E" end end
	return r
end)(function (s)
	if s:sub(1,1)=="-" then
		if #s<4 then return false end
		for i=3,#s do if s:sub(i,i)~="0" then return false end end
	else
		if #s<3 then return false end
		for i=2,#s do if s:sub(i,i)~="0" then return false end end
	end
	return true
end, function (a, b)
	return tostring((tonumber(a)+0LL)*(tonumber(b)+0LL)):sub(1,-3)
end, io.stdin:read("*l"):match("(%-?%d+) (%-?%d+)")))