Task: Program Execution
Input (English): Y 9281 b 8003 3479 583 1453 o 5435 6595 s 6591 8955 N k I 657 T v 9241 C Y 383 t G a 3943 1019 1921 6801 X 5387 9801 T r 2803 6445 Z t
Output (English): 2, 4, 5, 6, 7, 9, 10, 12, 13, 17, 20, 23, 27, 28, 29, 30, 32, 33, 36, 37