Task: Program Execution
Input (English): 5, 15, ['2717', 'Y', '4065', '7577', '2759', 'x', 'l', 'B', 'o', '7585', 'U', '6411', 'x', 'T', 'x', '2863', '3207', '3303', '3737', '7577', 'R']
Output (English): 2759xlBo7585U6411xTx