Task: Program Execution
Input (English): 4, 14, ['m', 'M', 'O', '4381', '7147', '1249', 'm', 'k', 'h', 'u', 'z', '885', 'y', 'o', 'B', '6629', '1203']
Output (English): 4381, 7147, 1249, m, k, h, u, z, 885, y, o