Task: Program Execution
Input (English): 17, 18, ['F', 'f', '1729', 'k', 'D', '6109', 'j', '9035', 't', 'd', 'R', 's', '1817', 'n', 'c', 'q', '1111', 'Y', '8225', 'G', '7491', 'K', '8057', '605']
Output (English): Y1111