A,B,C=map(int,input().split())
ans=0
if A==B or B==C or C==A:
    print(0)
    exit()
elif B==min(A,B,C) or B==max(A,B,C):
    print("INF")
    exit()
else:
    for i in range(1,max(A,B,C)+1):
        a=A%i
        b=B%i
        c=C%i
        if b>a>c or b>c>a or a>c>b or c>a>b:
            ans+=1
            #print(a,b,c,i)
print(ans)