Task: Program Execution
Input (English): a, 3455, t, u, H, 5659, 4153, 9675, 931, k, 1951, r, W, 189, 5865, Q, 2415, 3233, l, 7861, t, 3229
Output (English): 2, 6, 7, 8, 9, 11, 14, 15, 17, 18, 20, 22