a

# string que irá armazenar a cadeia de bases
s = 'GTGGAGGGAGGGTATTGAGCACAGGCTTTGATGCATCCGTATAATTCCTGATACTAAGAAAGTACGGT' \
    'ACTAAGGGACGAAGTTCTGCGCCTTACCCTTAACGATGCCTGTCGGCCACGGCAAGCCAGGCCCGTCGGACTTTCACTCCACCAAAACACGGTTTATGGGTTGCGGCTCCGTACTTAGTATGTTGTGGTATCATCTGGCGTTCATGACCTGTGGAAGGAGACGGGATATTGCTGGCTAGGTCTGCGTACCTAGTGAGCGTTCGCAATAGATCATCCTTGTGGATGTGGGGTGCGACCGCAATACCTCCGTAGACAACCAACTCCCAACTGATCCACTTTAGGTAAATTCGCGTAGCGCCACACGTGAAAAATATAGTAAATAATCTGCAATAGGGGTATCCCATGGACGGCTAATCCGAGGATCCCCGAATAACTGCACAACTCGAACCTATAGTAAATTAAAGCGTAGACATATCCCGTAGTAAGCAAGGACTAGATTAAAGGGCACGTCGCATGCACGGGAACCACAGTGGCAAACTAGTAGATATTGGAAGTCAACCATATCGTTACTAACCCTCCGTGTACTTGAAAATTGACGACCATAGGACTGTGAGTCAATTTACCCATTTGAGAGTTCTGCAGTTATGCTCATGCACGGTAATTGCGCAGTGTCGAGATTGTCTGTACACTGGAATGAGTGCTTAAGTCCTCACTGATGCTGTATGAAGCTTACAACCCCTCTTGCTCGCGTACCCCGGGCTTGGTTTGATTGTGAGATATCACGAACCTCCCGGAGAGCTGCTTTTTTGATACCGGTCGGTAGAATCCTAACGGGTACGGCTATCTGAACTGCGCCCTTCACGTTGCGATGTGTAAATTATCGCCGCCCATCTCTTTCACCTGGCCAGATGACGACG'

# contadores que irão armazenar as ocorrências de cada uma das bases

A = 0
C = 0
G = 0
T = 0

# for que irá percorrer o tamanho da string de entrada e salvar nos
# contadores as ocorrências de cada uma das bases

for i in range(len(s)):

    # checando se a string na posição i é igual a 'A'
    if s[i] == 'A':
        A += 1
    if s[i] == 'C':
        C += 1
    if s[i] == 'G':
        G += 1
    if s[i] == 'T':
        T += 1

print(A, C, G, T)