import bisect
import copy
import decimal
import fractions
import heapq
import itertools
import math
import random
import sys
import time
from collections import Counter,deque,defaultdict
from functools import lru_cache,reduce
from heapq import heappush,heappop,heapify,heappushpop,_heappop_max,_heapify_max
def _heappush_max(heap,item):
    heap.append(item)
    heapq._siftdown_max(heap, 0, len(heap)-1)
def _heappushpop_max(heap, item):
    if heap and item < heap[0]:
        item, heap[0] = heap[0], item
        heapq._siftup_max(heap, 0)
    return item
from math import gcd as GCD
read=sys.stdin.read
readline=sys.stdin.readline
readlines=sys.stdin.readlines
write=sys.stdout.write

A,B,C,D=map(int,readline().split())
G=GCD(A,B)
if GCD(C,D)!=G:
    print(-1)
    exit()

x,y=A,B
ans_lst=[]
if x<0 and y<0:
    ans_lst.append((1,1))
    x+=y
    ans_lst.append((2,-1))
    y-=x
if x<0 and y>=0:
    ans_lst.append((2,-1))
    y-=x
    ans_lst.append((1,1))
    x+=y
elif x>=0 and y<0:
    ans_lst.append((1,-1))
    x-=y
    ans_lst.append((2,1))
    y+=x
while x and y:
    if x>y:
        ans_lst.append((1,-(x//y)))
        x%=y
    else:
        ans_lst.append((2,-(y//x)))
        y%=x
if x==0:
    ans_lst.append((1,1))
    ans_lst.append((2,-1))

stack=[]
x,y=C,D
if x<0 and y<0:
    stack.append((1,-1))
    x+=y
    stack.append((2,1))
    y-=x
if x<0 and y>=0:
    stack.append((2,1))
    y-=x
    stack.append((1,-1))
    x+=y
elif x>=0 and y<0:
    stack.append((1,1))
    x-=y
    stack.append((2,-1))
    y+=x
while x and y:
    if x>y:
        stack.append((1,x//y))
        x%=y
    else:
        stack.append((2,y//x))
        y%=x

if x==0:
    stack.append((1,-1))
    stack.append((2,1))

ans_lst+=stack[::-1]
print(len(ans_lst))
for q,k in ans_lst:
    print(q,k)