dna = '''>Rosalind_24
TCAATGCATGCGGGTCTATATGCAT
'''
# dna is given as input FASTA
# Write your code here
ans = '''4 6
5 4
6 6
7 4
17 4
18 4
20 6
21 4
'''
Ex().has_output(ans)
success_msg("Great job!")