Task: Program Execution
Input (English): C, 8599, 653, P, u, 4377, H, 5229, r, 9521, 2749, 2633, u, l, 1373, 4005, 6699, S, l, 2199, R, 9999, M
Output (English): 1, 4, 5, 7, 9, 13, 14, 18, 19, 21, 23