_==0 "exec" "gawk" "-f" "$0"
function f(a,b,c) { return (b>a && b>c && a!=c) || (b<a && b<c && a!=c) }
function g(a,b,c,	i,r) {
	if (f(a,b,c)) return "INF"
	if (a==b || b==c || c==a) return 0
	r=0; for (i=2;i<=(a>c?a:c);i++) if (f(a%i,b%i,c%i)) r++
	return r
}
{ print g($1,$2,$3) }