Task: Program Execution
Input (English): 1677, 9117, 111, 8297, z, 4667, q, O, 4015, 6457, X, i, 7369, A, 7641, 6053, m, 9781, 7015, T, a
Output (English): 5, 7, 8, 11, 12, 14, 17, 20, 21