Task: Program Execution
Input (English): 9, 9, ['F', 'o', '1921', '6533', '2151', 'J', 'n', '2659', 'W', '4787', 'm', '9473', 'n', '2803', 'O', '3755', '4409', '3673', 'f', 'W', 'o', '3945', 'P', 'g', 'W']
Output (English): W