lines = ["qwertyuiop","asdfghjkl","zxcvbnm"]
triples = []
for line in lines:
    for i in range(len(line)-2):
        triples.append(line[i:i+3])
input_string = input().strip().lower()
score = 0
for triple in triples:
    number_of_occurrences = input_string.count(triple)
    score += 5 * number_of_occurrences
print (score)