Task: Program Execution
Input (English): 2327, 881, 2615, d, 1505, 5693, 4291, I, A, 3057, Z, v, 7427, 4211, 9181, 7161, 7639, x, B, 93, 6223, u, T, 53
Output (English): 4, 8, 9, 11, 12, 18, 19, 22, 23