Task: Program Execution
Input (English): 1, ['r', '313', 'Z', 'q', 'a', '2653', '9747', 'v', 'W', '3663', '5043', '617', '7669', 'a', 'c', 'A', '2889', 'n', 'I', '9117', 'Y', '3361', '3919']
Output (English): r