7f988705b78b6bfe23e9f7e6469c706a3c7b945bd18a3e8bdf6de3774020c9a96c3a3bc321a1a1ebf203ed0fedaf53828ad5ce2b

0cecf403b58168f523e881e3309c706cc3565af0122dca4574cf9523eee33fa158401c748d9d5abb98d022d927297239c204370b


바로 안 보이면 e^(-x)를 곱해보아요