2021/09/01 * 五反田ATM
    Assets:Cash                                -5000 JPY
    Assets:Okane Bank                           5000 JPY = 12345 JPY

2021/09/02 * (31415) Migros
    Assets:Okane Bank                          -2800 JPY = 9545 JPY
    Expenses:Grocery                            2800 JPY

2021/09/03 * (14142) FooBar
    Assets:Okane Bank                           -145 JPY = 9400 JPY
    ! Expenses:Unknown                           145 JPY