Task: Program Execution
Input (English): e, P, C, W, 1687, 3371, 7205, C, q, 7719, 6003, S, 6547, C, Q, 41, 9125, T, W, 2909, 9233, 1999, 6183, 6127
Output (English): 1, 2, 3, 4, 8, 9, 12, 14, 15, 18, 19