Task: Program Execution
Input (English): 2, 2, ['2219', 'C', '4815', '6549', '4357', 'I', 'x', 'o', '749', 'y', '287', '3785', '1623', 'P', '577', '9187', '521', '5929']
Output (English): C, 6549, I, o, y, 3785, P, 9187, 5929