n = input()
n, b = n.split(' ')
n = 4*int(n)
score = 0
for i in range(n):
    j = input()
    cart = j[0]
    suit = j[1]
    if cart == 'A' :
        score = score + 11
    elif cart == 'K' :
        score = score + 4
    elif cart == 'Q' :
        score = score + 3
    elif cart == 'T' :
        score = score + 10
    elif suit == b :
        if cart == 'J' :
            score = score + 20
        elif cart == '9':
            score = score + 14
    elif suit != b :
        if cart == 'J' :
            score = score + 2
            
print(score)