DNA

def solve():
    dna = "____"
    str_seq = "____"
    
    max_count = ____
    i = ____
    while i < len(____):
        count = ____
        while dna[i:i+len(____)] == str_seq:
            count += ____
            i += len(____)
        if count == ____:
            i += ____
        else:
            max_count = max(____)
    
    print(____)