Task: Program Execution
Input (English): 18, 20, ['U', '863', '6521', 'K', '6497', '9131', 'n', '5763', 'W', 'r', 'Z', '8141', 'O', 'I', 'a', 'N', 'e', '9513', 'p', 'z', '5793', 'f', 'n', '5589', '2755', 'q', '5229', '5851', '9891', 'T']
Output (English): z, p, 9513