Task: Program Execution
Input (English): Y T 2285 5003 3073 m a g r p m 4333 C U G V F X 6745 J G X 3809 6871 W d g X I c U 661 7173
Output (English): 1, 2, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 25, 26, 27, 28, 29, 30, 31