a=list(map(int,input().split()))
def check(b):
    if (b[1]>b[0] and b[1]>b[2]) or (b[1]<b[0] and b[1]<b[2]):
        if b[0]!=b[1] and b[1]!=b[2] and b[2] !=b[0]:
            return True
    else:
        return False
if check(a):
    print('INF')
else:
    ans=0
    n=max(a)
    for i in range(1,n+1):
        tmp=[]
        for j in range(3):
            tmp.append(a[j]%i)
        if check(tmp):
            ans+=1
    print(ans)