Task: Program Execution
Input (English): 7, 9, ['1245', '5063', '9503', '5031', 'm', '1931', 'y', '4977', '8957', 'C', 'q', '7321', 'a', 'W', 'Z', '9897', 'c', 't', '9397']
Output (English): 89574977y