#!/usr/bin/env python3

def ayb(s):
    A = [None] * 128
    Q = []
    c = 1
    for i in range(len(s)):
        code = ord(s[i])
        if A[code] is None:
            A[code] = c
            if c == 1:
                c = 0
            elif c == 0:
                c = 2
            else:
                c += 1
        Q.append((A[code],i))

    if c == 1:
        c = 0
    if c == 0:
        c = 2

    num = 0
    for tup in Q:
        value, position = tup
        num += value * (c ** (len(s) - position - 1))

    return str(num)


def main():
    t = int(input())
    for i in range(1, t + 1):
        print("Case #" + str(i) + ": " + ayb(input()))

if __name__ == "__main__":
    main()