a, b = map(int, input().split())
c, d = map(int, input().split())

v = []
v.append(a/c + b/d)
v.append(c/d + a/b)
v.append(d/b + c/a)
v.append(b/a + d/c)

maxNum = max(v)

for i in range(4) :
    if maxNum == v[i] :
        print(i)
        break