Task: Program Execution
Input (English): 7227, 5231, l, 9243, 6777, 1235, 3585, v, 421, 1725, b, r, 6039, 9261, 6013, m, k, 791, q, 269, e, t, a
Output (English): a, b, e, k, l, m, q, r, t, v