m,n = gets.split.map(&:to_i)
GCD = m.gcd(n)
m /= GCD
n /= GCD
@x,@y = m,n
def swap
    tmp = @x
    @x = @y
    @y = tmp
end

ans = 0
while @x != 1 || @y != 1
    if @x < @y
        swap()
        ans += 1
    else
        ans += @x / @y
        @x %= @y
        if @y == 1
            ans -= 1
            @x += 1
        end
    end
end
p ans