import random

vals = [6,7,8,9,10,4,3,2,11]
suit = 'hcds'
desk = [(v,s) for v in vals for s in suit]

g, b = 0, 0
for i in range(1000000):
    s = 0
    for j in range(3):
        s += random.choice(desk)[0]
    if s == 21:
        g += 1
    else:
        b += 1
print g, b, float(g)/b