Task: Program Execution
Input (English): 6, 6, ['N', '4373', '3477', 'm', 'Z', 'l', '1365', '2143', '9951', 'w', '1679', 'q', '1923', 'z', '8371', 'k', 'v', 'l', '9051', '5869', '1969', '7917']
Output (English): l