def is_kadomatsu(a,b,c):
    if a==b or b==c or c==a:
        return False
    return a<b>c or a>b<c

A,B,C=map(int,input().split())
if is_kadomatsu(A,B,C):
    exit(print("INF"))

X=0
for p in range(1,max(A,B,C)+2):
    X+=1 if is_kadomatsu(A%p, B%p, C%p) else 0

print(X)