a,b,c=map(int,input().split())

l=[a,b,c]

l2=list(set(l))

if (max(l)==b or min(l)==b) and len(l)==len(l2):
    print("INF")
    exit()
ans=0
for i in range(1,max(l)+1):
    l2=[a%i,b%i,c%i]
    if (max(l2)==l2[1] or min(l2)==l2[1]) and len(l2)==len(list(set(l2))):
        ans+=1

print(ans)