a,b,c=map(int,input().split())
e={a,b,c}
d=max(e)
p=print
if len(e)!=3:p(0)
elif d==b or min(e)==b:p('INF')
else:p(sum(1 for i in range(1,d+1)if len({a%i,b%i,c%i})==3and[max(a%i,b%i,c%i)==b%i,min(a%i,b%i,c%i)]==b%i))