fn solve(b: isize) -> String {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: isize = n.trim().parse().unwrap();

    if n == 0 {
        return "0".to_string();
    }
    let mut target = n;
    let mut ret = String::new();
    while target != 0 {
        let mut rest = target % b;
        target = target / b;
        if rest < 0 {
            rest += b.abs();
            target += 1;
        }
        ret.push_str(rest.to_string().as_str());
    }
    ret.chars().rev().map(|c| c.to_string()).collect::<Vec<_>>().join("")
}

fn main() {
    let mut tb = String::new();
    std::io::stdin().read_line(&mut tb).ok();
    let tb: Vec<isize> = tb.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let t = tb[0] as usize;
    let b = tb[1];
    let mut result = Vec::with_capacity(t);
    for _ in 0..t {
        result.push(solve(b));
    }
    for v in result.iter() {
        println!("{}", v);
    }
}