Task: Program Execution
Input (English): 8457, 3069, k, d, p, d, 3939, u, 561, 1041, 4837, 9539, 5427, 7561, 9139, Q, O, v, P, i, b, 6005, 6247, 9505
Output (English): 1, 2, 7, 9, 10, 11, 12, 13, 14, 15, 22, 23, 24