Task: Program Execution
Input (English): O, y, g, 5157, 8629, 8747, P, 7411, 477, 1633, H, T, 5925, U, b, 571, 2825, 8301, o, 6221, 1615
Output (English): 1, 2, 3, 7, 11, 12, 14, 15, 19