Task: Program Execution
Input (English): 4623, s, 6601, P, l, 7793, 9359, P, w, 1129, 4271, Q, 7825, 6953, y, n, R, F, l, D, b, 2825, V, 1687
Output (English): 2, 4, 5, 8, 9, 12, 15, 16, 17, 18, 19, 20, 21, 23