A = list(map(int, input().split()))
S = 0
for n in range(len(A) - 1):
    N = 0
    for i in range(1, len(A)):
        if A[i] > A[i - 1]:
            A[i], A[i - 1] = A[i - 1], A[i]
            N += 1
    if N == 0:
            S -= 1
    S += 1
print(S)