#include <bits/stdc++.h>

using u32 = unsigned;
using i64 = long long;
using u64 = unsigned long long;

std::mt19937 rng {std::chrono::steady_clock::now().time_since_epoch().count()};

constexpr i64 inf = 1E9;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int s, x;
    std::cin >> s >> x;
    
    if (std::gcd(s, x) == 1) {
        std::cout << 1 << "\n";
        std::cout << s << "\n";
        return 0;
    }
    
    if (x % 2 == 0 && s % 2 != 0) {
        std::cout << 3 << "\n";
        if (s > 0) {
            std::cout << 1 << " ";
            s--;
        } else {
            std::cout << 1 - x << " ";
            s -= 1 - x;
        }
    } else {
        std::cout << 2 << "\n";
    }
    
    while (true) {
        i64 a = inf - rng() % x;
        i64 b = s - a;
        if (b < -inf) {
            i64 t = (-inf - b);
            t = (t + x - 1) / x * x;
            b += t;
            a -= t;
        }
        if (std::abs(a) > inf || std::abs(b) > inf || std::gcd(a, x) != 1 || std::gcd(b, x) != 1) {
            continue;
        }
        std::cout << a << " " << b << "\n";
        return 0;
    }
    
    return 0;
}