Task: Program Execution
Input (English): s, 6653, R, b, 4259, 8479, u, q, 1123, j, b, v, t, 6901, R, G, 9175, r, s, R, 6189, 3491, V, 3857
Output (English): 1, 3, 4, 7, 8, 10, 11, 12, 13, 15, 16, 18, 19, 20, 23