#include "bits/stdc++.h" using namespace std; using ll = long long; using ld = long double; const double PI = 3.1415926535897932384626433832795; const ll MOD = 1000000007; const int dx[] = { 0, 1, 0, -1 }; const int dy[] = { -1, 0, 1, 0 }; int gcd(int x, int y) { return y ? gcd(y, x % y) : abs(x); } ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : abs(x); } int lcm(int x, int y) { return x / gcd(x, y) * y; } ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } int main() { ios::sync_with_stdio(false); cin.tie(0); ; int a, b, c, d; cin >> a >> b >> c >> d; if (a == 1 && b == 1 && c == 1) { cout << -1 << endl; return 0; } a -= c; b -= c; int index = 2; vector> g; vector vecA, vecB, vecC; if (c == 0) { vecA.push_back(0); vecB.push_back(1); } else { (a ? vecA : vecC).push_back(0); (b ? vecB : vecC).push_back(1); for (int i = 0; i < c - (a == 0 ) - (b == 0); i++) { vecC.push_back(index++); } } for (int i = 0; i < a - 1; i++) { vecA.push_back(index++); } for (int i = 0; i < b - 1; i++) { vecB.push_back(index++); } for (int i = 0; i < a - 1; i++) { g.emplace_back(vecA[i], vecA[i + 1]); } for (int i = 0; i < b - 1; i++) { g.emplace_back(vecB[i], vecB[i + 1]); } for (int i = 0; i < c - 1; i++) { g.emplace_back(vecC[i], vecC[i + 1]); } if (a != 0 && c != 0) { g.emplace_back(0, vecC[0]); } if (b != 0 && c != 0) { g.emplace_back(1, vecC[0]); } if (a == 0 && b == 0) { g.emplace_back(1, 0); } if (g.size() > d) { cout << -1 << endl; return 0; } cout << a + b + c << " " << g.size() << endl; for (auto p : g) { cout << p.first << " " << p.second << endl; } return 0; }