Task: Program Execution
Input (English): 3, 10, ['5367', 'n', 'F', 'o', 'S', '8925', '3373', 'P', '8351', '9463', 'o', '6861', 'E', 'l', 'G', 'd', '6579', '6809', '4757', '7343', 'O', 'P']
Output (English): F, E