Task: Program Execution
Input (English): 8927, x, M, M, O, 9841, K, g, p, C, 725, y, D, F, 3981, R, 8907, u, 1269, 1411, 5229, y, 409
Output (English): 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 14, 16, 18, 22