a,b,c = map(int, input().split())
if (max(a,b,c)==b or min(a,b,c)==b) and a!=b and b!=c and c!=a:
	print("INF")
else:
	x = 0
	for i in range(2,max(a,b,c)+1):
		if (max(a%i,b%i,c%i)==b%i or min(a%i,b%i,c%i)==b%i) and a%i!=b%i and b%i!=c%i and c%i!=a%i:
			x += 1
	print(x)