Task: Program Execution
Input (English): n, Y, i, 5929, 8295, 1287, 8465, 6535, f, 7439, 4061, 2895, E, K, f, S, M, 5323, 2163, 9529, Z, J, Z
Output (English): 4, 5, 6, 7, 8, 10, 11, 12, 18, 19, 20