Task: Program Execution
Input (English): 809 m 5511 7811 3247 W Q 4125 1277 8903 i 2849 9591 a 8449 J C t I 847 3563 T a 3133 2473 h m o 9413 6175 7269 7263 Y j H 9223 7323 y w
Output (English): 1, 3, 4, 5, 8, 9, 10, 12, 13, 15, 20, 21, 24, 25, 29, 30, 31, 32, 36, 37