DNA replication

Write a program that reads several DNA strands, and writes the
complementay strand for each of them. Remember that Adenine (A) pairs
with Thymine (T) and Guanine (G) with Cytosine (C).

Input

The input is a sequence of strings. All strings are formed exclusively
by characters A,T,G,C.

Output

For each string in the input, print the complementary DNA strand.

Problem information

Author: Lluís Padró

Generation: 2026-05-28T15:57:12.581Z

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