T = ['T','U','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','Ñ','O','P','Q','R','S']
U = ['U','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','Ñ','O','P','Q','R','S','T']
R = ['R','S','T','U','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','Ñ','O','P','Q']
I = ['I','J','K','L','M','N','Ñ','O','P','Q','R','S','T','U','V','W','X','Y','Z','A','B','C','D','E','F','G','H']
N = ['N','Ñ','O','P','Q','R','S','T','U','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M']
G = ['G','H','I','J','K','L','M','N','Ñ','O','P','Q','R','S','T','U','V','W','X','Y','Z','A','B','C','D','E','F']
A = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','Ñ','O','P','Q','R','S','T','U','V','W','X','Y','Z']

mensaje = 'EUHZBVBUDWIÑECUIPKQCXMPUMKJWCÑXXRLQYKOVKNXTWLMEÑSUEMXYXMNPOÑIKJMFZTXGGDAXNMMXKGWGURAGXZZFKVJEJNYNUEBQLLYTCQSVCRMXQTNKWZVIMLIÑÑECUIPVIXVZOUGYTBNXMYRLULXMVUGKMMVLQYNYEMEKEUTKQYIUCIFRBNDIFJBNHWZÑUFVTBBBFZLNJFCVUGXTNVSHYÑUJPBYXÑJIFQTXVLQAGUJMPGIÑJIXGVJEMKÑIHUMÑKFUEBQSXMKMPÑVBGLQUNMGTBJIYCBEGMFRLBJXFMAHGLCGLQAGUJMPGIÑJIPKUYJMFAEÑRZGXTHKXNXXHLMNQTUHSUITWZWZIIHVFUUGYEKHXMJ'

clave = 'TURING'

pos_clave = 0

decodificado = []

for letra in mensaje:

    letra_clave_actual = clave[pos_clave]

    if letra_clave_actual == 'T':
        decodificado.append(A[T.index(letra)])
    elif letra_clave_actual == 'U':
        decodificado.append(A[U.index(letra)])
    elif letra_clave_actual == 'R':
        decodificado.append(A[R.index(letra)])
    elif letra_clave_actual == 'I':
        decodificado.append(A[I.index(letra)])
    elif letra_clave_actual == 'N':
        decodificado.append(A[N.index(letra)])
    elif letra_clave_actual == 'G':
        decodificado.append(A[G.index(letra)])

    pos_clave += 1
    if pos_clave == len(clave):
        pos_clave = 0

print(''.join(decodificado))