Task: Program Execution
Input (English): 8257, 4931, G, 4043, I, 6247, o, W, 5697, 639, d, 7501, 1301, D, 7067, K, X, n, 9807, 3075, 6455, 1303
Output (English): 1, 2, 4, 6, 9, 10, 12, 13, 15, 19, 20, 21, 22