# b_pi.py

# b_pi.py

def pi(places=20000):
    "Computes pi to given number of decimal places"
    extra = 8
    one = 10 ** (places+extra)
    t, c, n, na, d, da, i = 3*one, 3*one, 1, 0, 0, 24, 0
    while 1:
        n, na, d, da  = n+na, na+8, d+da, da+32
        t = t * n // d
        c += t
        s = str(c // (10 ** extra))
        try:
            print s[i],
        except:
            break
        i += 1

pi()