#include using namespace atcoder; // using mint = modint1000000007; using mint = modint998244353; // using mint = modint;//mint::set_mod(MOD); // const long long MOD = 1000000007; const long long MOD = 998244353; #include #define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++) #define repeq(i, a, b) for (ll i = (ll)(a); i <= (ll)(b); i++) #define repreq(i, a, b) for (ll i = (ll)(a); i >= (ll)(b); i--) #define each(a, b) for (auto &(a) : (b)) #define endl '\n' // fflush(stdout); #define cYes cout << "Yes" << endl #define cNo cout << "No" << endl #define sortr(v) sort(v, greater<>()) #define pb push_back #define mp make_pair #define mt make_tuple #define tget(a, b) get(a) #define FI first #define SE second #define ALL(v) (v).begin(), (v).end() #define INFLL 3000000000000000100LL #define INF 1000000100 #define PI acos(-1.0L) #define TAU (PI * 2.0L) using namespace std; typedef long long ll; typedef pair Pll; typedef tuple Tlll; typedef vector Vi; typedef vector VVi; typedef vector Vl; typedef vector VVl; typedef vector VVVl; typedef vector VTlll; typedef vector Vm; typedef vector VVm; typedef vector Vs; typedef vector Vd; typedef vector Vc; typedef vector Vb; typedef vector VPll; typedef priority_queue PQl; typedef priority_queue, greater> PQlr; /* print */ template ostream &operator<<(ostream &os, const vector &V) { int N = V.size(); if (N == 0) { os << endl; return os; } rep(i, 0, N - 1) { os << V[i] << ' '; } os << V[N - 1] << endl; return os; } template ostream &operator<<(ostream &os, const vector> &V) { int N = V.size(); rep(i, 0, N) os << V[i]; return os; } template ostream &operator<<(ostream &os, pair const &P) { os << P.FI << ' ' << P.SE; return os; } ostream &operator<<(ostream &os, mint const &M) { os << M.val(); return os; } /* useful */ template void Vin(vector &v) { int n = v.size(); rep(i, 0, n) cin >> v[i]; } template int SMALLER(vector &a, T x) { return lower_bound(a.begin(), a.end(), x) - a.begin(); } template int orSMALLER(vector &a, T x) { return upper_bound(a.begin(), a.end(), x) - a.begin(); } template int BIGGER(vector &a, T x) { return a.size() - orSMALLER(a, x); } template int orBIGGER(vector &a, T x) { return a.size() - SMALLER(a, x); } template int COUNT(vector &a, T x) { return upper_bound(ALL(a), x) - lower_bound(ALL(a), x); } template bool chmax(T &a, S b) { if (a < b) { a = b; return 1; } return 0; } template bool chmin(T &a, S b) { if (a > b) { a = b; return 1; } return 0; } template void press(T &v) { v.erase(unique(ALL(v)), v.end()); } template vector zip(vector b) { pair p[b.size() + 10]; int a = b.size(); vector l(a); for (int i = 0; i < a; i++) p[i] = mp(b[i], i); sort(p, p + a); int w = 0; for (int i = 0; i < a; i++) { if (i && p[i].first != p[i - 1].first) w++; l[p[i].second] = w; } return l; } template vector vis(vector &v) { vector S(v.size() + 1); rep(i, 1, S.size()) S[i] += v[i - 1] + S[i - 1]; return S; } ll dem(ll a, ll b) { return ((a + b - 1) / (b)); } ll dtoll(double d, int g) { return round(d * pow(10, g)); } const double EPS = 1e-10; void init() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(12); } // do {} while (next_permutation(ALL(vec))); /********************************** START **********************************/ void sol() { ll a, b, c, d; cin >> a >> b >> c >> d; if (a == 0 && b == 0 && c == 0 && d == 0) { cout << 0 << endl; return; } if (gcd(abs(a), abs(b)) != gcd(abs(c), abs(d))) { cout << -1 << endl; return; } VPll v, w; v.pb({a, b}); while (1) { if (a == 0 || b == 0) break; if (abs(a) >= abs(b)) { ll ka = abs(a) / abs(b); if (a < 0) a += ka * abs(b); else a -= ka * abs(b); } else { ll ka = abs(b) / abs(a); if (b < 0) b += ka * abs(a); else b -= ka * abs(a); } v.pb({a, b}); } swap(a, c); swap(b, d); w.pb({a, b}); while (1) { if (a == 0 || b == 0) break; if (abs(a) >= abs(b)) { ll ka = abs(a) / abs(b); if (a < 0) a += ka * abs(b); else a -= ka * abs(b); } else { ll ka = abs(b) / abs(a); if (b < 0) b += ka * abs(a); else b -= ka * abs(a); } w.pb({a, b}); } if (v.back().FI == 0) { Pll p = v.back(); p.FI = abs(p.SE); v.pb(p); p.SE = 0; v.pb(p); } if (v.back().FI < 0) { ll qw = v.back().FI; qw = abs(qw); v.pb({-qw, -qw}); v.pb({qw, -qw}); v.pb({qw, 0}); } if (w.back().FI == 0) { Pll p = w.back(); p.FI = abs(p.SE); w.pb(p); p.SE = 0; w.pb(p); } if (w.back().FI < 0) { ll qw = w.back().FI; qw = abs(qw); w.pb({-qw, -qw}); w.pb({qw, -qw}); w.pb({qw, 0}); } reverse(ALL(w)); // rep(i, 0, v.size()) cout << v[i] << endl; // rep(i, 0, w.size()) cout << w[i] << endl; rep(i, 0, w.size()) { v.pb(w[i]); } cout << v.size() - 1 << endl; rep(i, 0, v.size() - 1) { ll qw, er, ty, ui; tie(qw, er) = v[i]; tie(ty, ui) = v[i + 1]; if (qw == ty) { ll ans = (ui - er) / qw; cout << 2 << ' ' << ans << endl; } else { ll ans = (ty - qw) / er; cout << 1 << ' ' << ans << endl; } } } int main() { init(); int q = 1; // cin >> q; while (q--) sol(); return 0; }