import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }


alias Op = Tuple!(int, "typ", long, "k");
alias Result = Tuple!(long, "g", Op[], "ops");
Result solve(long a, long b) {
  Op[] ops;
  for (; ; ) {
    if (a == 0) {
      // (0, b)
      ops ~= Op(1, 1);
      // (b, b)
      ops ~= Op(2, -1);
      // (b, 0)
      swap(a, b);
      break;
    } else {
      const k = b / a;
      b %= a;
      ops ~= Op(2, -k);
    }
    if (b == 0) {
      // (a, 0)
      break;
    } else {
      const k = a / b;
      a %= b;
      ops ~= Op(1, -k);
    }
  }
  // (a, 0)
  if (a < 0) {
    // (a, 0)
    ops ~= Op(2, 1);
    // (a, a)
    ops ~= Op(1, -2);
    // (-a, a)
    ops ~= Op(2, 1);
    // (-a, 0)
    a = -a;
  }
  return Result(a, ops);
}

void main() {
  try {
    for (; ; ) {
      const A = readLong;
      const B = readLong;
      const C = readLong;
      const D = readLong;
      debug {
        writefln("(A, B) = (%s, %s), (C, D) = (%s, %s)", A, B, C, D);
      }
      
      auto resAB = solve(A, B);
      auto resCD = solve(C, D);
      debug {
        writeln("resAB = ", resAB);
        writeln("resCD = ", resCD);
      }
      if (resAB.g == resCD.g) {
        writeln(resAB.ops.length + resCD.ops.length);
        foreach (ref op; resAB.ops) {
          writeln(op.typ, " ", op.k);
        }
        foreach_reverse (ref op; resCD.ops) {
          writeln(op.typ, " ", -op.k);
        }
      } else {
        writeln(-1);
      }
    }
  } catch (EOFException e) {
  }
}