Task: Program Execution
Input (English): 5, ['1387', 't', 'r', 'n', '6729', '2973', '8229', '4053', '2381', '7849', 'b', '3547', 't', '4887', 'x', 'X', '5911', 'R', 'P', '607', '7501', '7717', 'B', 'U', 'R', '2581', 'L', '4911', 'v', '4573']
Output (English): 1387, 2973, b, X, 7501, 2581