Task: Program Execution
Input (English): C, 1333, D, S, D, 6039, 1717, B, 5305, 7547, 5017, 4637, V, W, 843, 2999, 9933, F, R, v, 7541
Output (English): 1, 3, 4, 5, 8, 13, 14, 18, 19, 20