const table = [
    [u8(0), 3, 1, 7, 5, 9, 8, 6, 4, 2],
    [u8(7), 0, 9, 2, 1, 5, 4, 8, 6, 3],
    [u8(4), 2, 0, 6, 8, 7, 1, 3, 5, 9],
    [u8(1), 7, 5, 0, 9, 8, 3, 4, 2, 6],
    [u8(6), 1, 2, 3, 0, 4, 5, 9, 7, 8],
    [u8(3), 6, 7, 4, 2, 0, 9, 5, 8, 1],
    [u8(5), 8, 6, 9, 7, 2, 0, 1, 3, 4],
    [u8(8), 9, 4, 5, 3, 6, 2, 0, 1, 7],
    [u8(9), 4, 3, 8, 6, 1, 7, 2, 0, 5],
    [u8(2), 5, 8, 1, 4, 3, 6, 7, 9, 0],
]

fn damm(input string) bool {
    mut interim := u8(0)
    for c in input.bytes() {
        interim = table[interim][c-'0'[0]]
    }
    return interim == 0
}

fn main() {
    for s in ["5724", "5727", "112946", "112949"] {
        println("${s:6}  ${damm(s)}")
    }
}