Task: Program Execution
Input (English): 6, 17, ['r', 'u', '8215', '1281', '297', '2717', '3797', '7633', 'U', 't', 'x', 'I', '4167', 'i', '9213', '7769', 'f', 'X', 'B', 'z', '3159', '6767', '1687', '115', 'I', 'y', 'g']
Output (English): 2717, 3797, 7633, U, t, x, I, 4167, i, 9213, 7769, f