import math


def calculate_distance(aphorism: str) -> int:
    tokens = "ABCDEFGHIJKLMNOPQRSTUVWXYZ '"
    prev_s = aphorism[0]
    total_distance = 0
    for s in aphorism:
        current_distance = (tokens.index(prev_s) - tokens.index(s)) % 28
        if current_distance > 14:
            current_distance = 28 - current_distance
        prev_s = s
        total_distance += current_distance
    return 60 * math.pi / 28 * total_distance


n = int(input())
for _ in range(n):
    aphorism = input()
    print(calculate_distance(aphorism) / 15 + len(aphorism))