use std::io::Write;
use std::collections::*;

type Map<K, V> = BTreeMap<K, V>;
type Set<T> = BTreeSet<T>;
type Deque<T> = VecDeque<T>;

fn main() {
    input! {
        s: i64,
        x: i64,
    }
    let cond = |v: i64| -> bool {
        v.abs() <= 1000000000 && binary_gcd(v.abs() as u64, x.abs() as u64) == 1
    };
    let up = 1000000;
    let ans = (|| -> Vec<i64> {
        if cond(s) {
            return vec![s];
        }
        for i in -up..up {
            if cond(s + i) && cond(-i) {
                return vec![s + i, -i];
            }
        }
        for i in -up..up {
            if cond(s + i - 1) && cond(i) && cond(1) {
                return vec![s + i - 1, 1, -i];
            }
        }
        todo!()
    })();
    let sum = ans.iter().sum::<i64>();
    assert!(sum == s);
    for a in ans.iter() {
        assert!(binary_gcd(a.abs() as u64, x as u64) == 1);
    }
    println!("{}", ans.len());
    for (i, a) in ans.iter().enumerate() {
        if i > 0 {
            print!(" ");
        }
        print!("{}", *a);
    }
    println!();
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[macro_export]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------
// ---------- begin binary_gcd ----------
pub fn binary_gcd(a: u64, b: u64) -> u64 {
    if a == 0 || b == 0 {
        return a + b;
    }
    let x = a.trailing_zeros();
    let y = b.trailing_zeros();
    let mut a = a >> x;
    let mut b = b >> y;
    while a != b {
        let x = (a ^ b).trailing_zeros();
        if a < b {
            std::mem::swap(&mut a, &mut b);
        }
        a = (a - b) >> x;
    }
    a << x.min(y)
}
// ---------- end binary_gcd ----------