Task: Program Execution
Input (English): 11, ['N', 'U', '9267', '8817', 'P', 'x', 'A', '4915', 'Y', 'x', 'i', '1045', '8797', '7085', 'D', 'k', 'y', 's', 'h', 'X', '2311', 'c', '1973', '2387', '913', 'j', 'E', 'x', '1943', '7809', 'b', '6643', 'E', '5307', 's', 'N', '6233', 'U', 'h', 'Y', '1029', 'n', '8807']
Output (English): N, 1045, 1973, 5307