num_lines = int(input())
sum = 0

for i in range(0, num_lines):
    letter = str(input())
    if letter == "A":
        sum += 65
    elif letter == "b":
        sum += 98
    elif letter == "C":
        sum += 67
    elif letter == "d":
        sum += 100
    elif letter == "E":
        sum += 69
    elif letter == "S":
        sum += 83
    elif letter == "o":
        sum += 111
    elif letter == "f":
        sum += 102
    elif letter == "t":
        sum += 116
    elif letter == "U":
        sum += 85
    elif letter == "n":
        sum += 110
    elif letter == "i":
        sum += 105
    elif letter == "R":
        sum += 82
    elif letter == "u":
        sum += 117
    elif letter == "z":
        sum += 122
    elif letter == "l":
        sum += 108

print(f"The sum equals: {sum}")