Task: Program Execution
Input (English): 2101, 9207, R, U, G, 9195, 3195, 4777, 5405, h, L, 9803, Y, 3207, w, 7503, 4285, j, 6615, 9745, O, y
Output (English): 1, 2, 6, 7, 8, 9, 12, 14, 16, 17, 19, 20