#include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define mt make_tuple #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)< pii; typedef vector vi; typedef vector vll; /** A=B=C 閉路グラフ A = C B > Cのとき B=>(B-A-1)=>A B=C A>Cのとき A=>(B-A-1)=>B A!=C かつ B!=C A=>(A-C-1)=>C B=>(B-C-1)=>C **/ int A, B, C, D; void solve() { int n = 0, m = 0; vector e; if(A == B&&B == C) { if(A < 2 || D < A)goto FAIL; n = A; rep(i, n)e.emplace_back(i, (i + 1) % n); } else if(A == C && B > C) { int pre = 1, cur = 2; rep(i, B - A - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } e.emplace_back(1, 0); pre = 0; rep(i, A - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } n = cur; } else if(B == C && A > C) { int pre = 0, cur = 2; rep(i, A - B - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } e.emplace_back(0, 1); pre = 1; rep(i, B - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } n = cur; } else if(A != C && B != C) { int pre = 0, cur = 2; rep(i, A - C - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } pre = 1; rep(i, B - C - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } if(C != 0) { e.emplace_back(0, cur); e.emplace_back(1, cur); pre = cur; cur++; rep(i, C - 1) { e.emplace_back(pre, cur++); pre = cur - 1; } } n = cur; } else { goto FAIL; } if(sz(e) > D)goto FAIL; m = sz(e); cout << n << ' ' << m << endl; each(p, e)cout << p.first << ' ' << p.second << endl; return; FAIL:; cout << -1 << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); while(cin >> A >> B >> C >> D) { solve(); } }