Task: Program Execution
Input (English): 8, 20, ['1457', 's', 'N', '5931', 'Y', '4177', '1341', 'z', '6639', 'Q', 'Z', 'k', '9517', 'D', '6423', 'q', 'u', 'Z', 'W', 'L', '4313', '4477', 'F']
Output (English): z, 6639, Q, Z, k, 9517, D, 6423, q, u, Z, W, L