def isKDMT(a,b,c):
	if a!=b and b!=c and a!=c and(max(a,b,c)==b or min(a,b,c)==b):
		return True
	return False
a,b,c=map(int,raw_input().split())
t=0
for i in xrange(1,100000):
	if isKDMT(a%i,b%i,c%i):
		t+=1
if t>1000:
	print"INF"
else:
	print t