Task: Program Execution
Input (English): 8141, 6789, 3937, 7041, 7075, 2309, 6325, 6947, e, y, 8991, t, n, a, n, a, 5591, 9573, i, 2887, f, 9793, q, i
Output (English): a, e, f, i, n, q, t, y