Task: Program Execution
Input (English): p, N, 6433, X, L, 5901, 7443, Y, 8459, 3029, 9775, K, 4297, 6291, C, r, 3383, w, 5751, 5555, V
Output (English): 3, 6, 7, 9, 10, 11, 13, 14, 17, 19, 20