Task: Program Execution
Input (English): 6769, j, 3165, 5985, 7035, 7583, b, c, 3307, 8419, v, u, y, o, 7203, F, O, 4041, m, 233, B, 2809
Output (English): 2, 7, 8, 11, 12, 13, 14, 16, 17, 19, 21