from fractions import gcd
M,N=map(int,raw_input().split())
g=gcd(M,N)
M,N=M/g,N/g
ans = -1
if M >= N:
	ans -= 1
	M,N = N,M
while M != 0:
	M,N = N,M
	ans += 1+M/N
	M %= N
print ans