package main

import . "fmt"

func isKadomatsu(b,a,c int) bool {
	return b != c && ((a < b && a < c) || (a > b && a > c))
}

func main() {
	var a1,a2,a3 int
	Scan(&a1, &a2, &a3)
	if isKadomatsu(a1,a2,a3) {
		Println("INF")
		return
	}
	c := 0
	for p:=1; p<=a1+a2+a3+1; p++ {
		if isKadomatsu(a1%p,a2%p,a3%p) {
			c++
		}
	}
	Println(c)
}