Task: Program Execution
Input (English): 1767, J, 2565, 2169, m, 2645, x, 5167, 677, G, S, V, s, 2785, 2891, M, 8429, Z, q, V, S
Output (English): 2, 5, 7, 10, 11, 12, 13, 16, 18, 19, 20, 21