Task: Program Execution
Input (English): L, 8459, f, 4507, W, B, r, 4173, 91, X, A, 6555, l, 4541, 1565, F, Z, C, 2935, r, o, c, X
Output (English): 12, 8459, 6, 4507, 23, 2, 18, 4173, 91, 24, 1, 6555, 12, 4541, 1565, 6, 26, 3, 2935, 18, 15, 3, 24