Task: Program Execution
Input (English): [7643, 'b', 'i', 5419, 6149, '6053', 'H', '9575', 'Q', 'Y', '5507', 'm', '3081', 'D', 5713, 907, 1839, 6947], [7397, 'B', 'x', 8321, 'L', 'a', '6053', 'H', '9575', 'Q', 'Y', '5507', 'm', '3081', 'm', 1961, 5519]
Output (English): 6053, H, 9575, Q, Y, 5507, m, 3081