Task: Program Execution
Input (English): 10, 15, ['a', 'B', 'j', 'X', '2815', 'x', '6803', 'E', 'L', '7359', 'k', 'g', '5723', 'E', 'R', '1075', '8789', 'H', '1387', '2707', 'r']
Output (English): R, E, 5723, g, k, 7359