Task: Program Execution
Input (English): 4315, 3493, I, 1859, 857, S, 6677, z, 4873, A, n, 4969, 3057, Q, C, 9625, m, 8335, 9157, Q, b, 1833
Output (English): 3, 6, 8, 10, 11, 14, 15, 17, 20, 21