Task: Program Execution
Input (English): Z, 6053, 6409, q, 8741, C, 761, 5313, 8163, 2553, 1335, 1101, H, H, a, 909, 1429
Output (English): 2, 3, 5, 7, 8, 9, 10, 11, 12, 16, 17