Task: Program Execution
Input (English): a 947 2473 N g 6199 8905 O x 3301 Z Y 9765 P 3725 I A e O q 9327 4657 T u 271 2309 9085 p d 4577 N 6373 3477 U M 7679 2993
Output (English): 1, 4, 5, 8, 9, 11, 12, 14, 16, 17, 18, 19, 20, 23, 24, 28, 29, 31, 34, 35