fn solve(b: isize) -> String {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let mut n: isize = n.trim().parse().unwrap();
    if n == 0 { return "0".to_string(); }
    let mut ret = String::new();
    while n != 0 {
        let mut modval = n % b;
        n = n / b;
        if modval < 0 {
            n += 1; 
            modval += b.abs();
        }
        ret.push_str(&modval.to_string());
    }
    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);
    }
}