Task: Program Execution
Input (English): F 4909 3183 G 4357 K C 5965 6537 C 7575 799 g 7229 1781 E I 2129 381 9479 4201 7325 7019 f J 2061 7455 B U 2639 B 6677 1687 3043
Output (English): 2, 3, 5, 8, 9, 11, 12, 14, 15, 18, 19, 20, 21, 22, 23, 26, 27, 30, 32, 33, 34