Task: Program Execution
Input (English): 8251, I, E, 8383, 39, 7411, Z, z, v, 5715, 4221, N, 311, 4499, 7579, U, B, 8061, a, 4813, 9999, E, 3919, C
Output (English): 2, 3, 7, 8, 9, 12, 16, 17, 19, 22, 24