import math
M, N = map(int, input().split())

g = math.gcd(M, N)
M, N = M//g, N//g

if M == N:
    exit(print(0))

ans = 0
while not (M == 0 and N == 1):

    if M > N:
        sho, amari = divmod(M, N)
        ans += sho
        M -= N*sho
    
    else:
        M, N = N, M
        ans += 1

ans -= 1

print(ans)