#include <iostream>
#include <numeric>
#include <utility>
#include <vector>
using namespace std;

#include "testlib.h"

vector<pair<int, int>> reduce(int a, int b) {
    // (a, b) -> (abs(gcd(a, b)), 0)
    vector<pair<int, int>> ret;
    ret.emplace_back(a, b);

    while (a and b) {
        if (abs(a) > abs(b)) {
            int r = abs(a) / abs(b);
            if (a > 0) {
                a -= r * abs(b);
            } else {
                a += r * abs(b);
            }
        } else {
            int r = abs(b) / abs(a);
            if (b > 0) {
                b -= r * abs(a);
            } else {
                b += r * abs(a);
            }
        }
        ret.emplace_back(a, b);
    }

    if (a < 0) {
        b = abs(a);
        ret.emplace_back(a, b);
        a = 0;
        ret.emplace_back(a, b);
    }

    if (a == 0) {
        a = abs(b);
        ret.emplace_back(a, b);
        b = 0;
        ret.emplace_back(a, b);
    }

    return ret;
}

constexpr int MAXI = 100000000;

int main(int argc, char *argv[]) {
    registerValidation(argc, argv);
    int a = inf.readInt(-MAXI, MAXI);
    inf.readSpace();
    int b = inf.readInt(-MAXI, MAXI);
    inf.readSpace();
    int c = inf.readInt(-MAXI, MAXI);
    inf.readSpace();
    int d = inf.readInt(-MAXI, MAXI);
    inf.readEoln();
    inf.readEof();

    if (std::gcd(abs(a), abs(b)) != std::gcd(abs(c), abs(d))) {
        puts("-1");
        return 0;
    }

    auto ab_to_i = reduce(a, b);
    auto cd_to_i = reduce(c, d);

    auto ret = ab_to_i;
    ret.insert(ret.end(), cd_to_i.rbegin(), cd_to_i.rend());

    cout << ret.size() - 1 << '\n';
    for (int i = 1; i < int(ret.size()); ++i) {
        auto [px, py] = ret.at(i - 1);
        auto [nx, ny] = ret.at(i);

        if (px != nx) {
            cout << "1 " << (nx - px) / py << '\n';
        } else if (py != ny) {
            cout << "2 " << (ny - py) / px << '\n';
        } else {
            cout << "1 0\n";
        }
    }
}