isKadomatsu :: Integer -> Integer -> Integer -> Bool
isKadomatsu a b c = (a /= b && b /= c && a /= c) && (b == max || b == min)
	where max = maximum [a,b,c];
		  min = minimum [a,b,c];

main = do
	[a1, a2, a3] <- getLine >>= return . map (read::String->Integer) . words
	putStrLn $
		if a1 == a2 || a2 == a3 || a1 == a3
			then "0"
			else if isKadomatsu a1 a2 a3
				then "INF"
				else show $ sum[1|p<-[1..maximum[a1,a2,a3]], isKadomatsu (mod a1 p) (mod a2 p) (mod a3 p)]