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Tandem Repeats occur in DNA when a pattern of one or more nucleotides is repeated,and the repetitions are directly adjacent to each other. For example, consider the sequence:
This contains 9 Tandem Repeats:
Given a nucleotide sequence, how many Tandem Repeats occur in it?
There will be several test cases in the input. Each test case will consist of a single string on its own line, with from 1 to 100,000 capital letters, consisting only of A, G, T and C. This represents a nucleotide sequence. The input will end with a line with a single 0.
For each test case, output a single integer on its own line, indicating the number Tandem Repeats in the nucleotide sequence. Output no spaces, and do not separate answers with blank lines.
AGGA AGAG ATTCGATTCGATTCG 0
1 1 9