Task: Program Execution
Input (English): 2, 4, ['6993', 'g', 'Y', 'Y', 'T', 'N', '3623', '7129', '7037', 'u', '881', '1831', '2095', 'S', 't', 'p', '157', 'Z', '2403', 'u', '4567']
Output (English): g, N, u, S, Z