Task: Program Execution
Input (English): 4, 10, ['N', '1283', '9907', 'l', '393', '9051', '4489', 'e', '4643', '4429', 'd', 's', 'Y', 'n', '6431', 'I', '4533', 's', 'l', '27', 'o', '4543', '6197']
Output (English): l, n