Task: Program Execution
Input (English): 4237, W, 6097, q, 6911, T, 1387, 9509, X, e, E, S, a, 4509, e, 4091, M, k, 6697, S, 2481, l
Output (English): 4237, 23, 6097, 17, 6911, 20, 1387, 9509, 24, 5, 5, 19, 1, 4509, 5, 4091, 13, 11, 6697, 19, 2481, 12