// @declaration: true

enum e1 {
    a,
    b,
    c
}

enum e2 {
    a = 10,
    b = a + 2,
    c = 10,
}

enum e3 {
    a = 10,
    b = Math.PI,
    c = a + 3
}

enum e4 {
    a,
    b,
    c,
    d = 10,
    e
}

enum e5 {
    "Friday",
    "Saturday",
    "Sunday",
    "Weekend days"
}