a,b,c=3,2,4
N = 100000

def rollXdY(X,Y=6):
    from random import randint
    return [randint(1,Y) for _ in range(X)]

def score(A,B,C):
    A = [x for x in A if not x in C]
    B = [x for x in B if not x in C]
    return max(A)+(A.count(max(A))-1)*0.1 if A else 0.0, len(B)

results = [score(rollXdY(a),rollXdY(b),rollXdY(c)) for _ in range(N)]
for rb in range(b+1):
    print('b =',rb)
    resultsa = [x[0] for x in results if x[1]==rb]
    for ra in sorted(list(set(resultsa))):
        p = resultsa.count(ra)/len(results)*100
        print('{:>3}: {:>4.1f}% '.format(ra,p),'█'*int(p*10))