Task: Program Execution
Input (English): 21, 9491, l, 8591, V, O, 9709, 5371, x, 8367, 6205, 9941, 1209, 695, E, H, 4457, K, l
Output (English): 21, 9491, 12, 8591, 22, 15, 9709, 5371, 24, 8367, 6205, 9941, 1209, 695, 5, 8, 4457, 11, 12