def is_ks(b):
  return len(set(b))==3 and (b[1]==min(b) or b[1]==max(b))
a=list(map(int,input().split()))
if len(set(a))<3:
  print(0)
elif is_ks(a):
  print('INF')
else:
  ans=0
  for i in range(1,max(a)+1):
    b=[j%i for j in a]
    if is_ks(b):
      ans+=1
  print(ans)