Task: Program Execution
Input (English): 5497 7673 w m a 3993 2257 315 C a l 4711 4179 t 2799 p l 8283 y 6763 311 5921 a W B 9665 4475 4735 6273 9647 s T d Y S 1981 9815 y e M
Output (English): 3, 4, 5, 9, 10, 11, 14, 16, 17, 19, 23, 24, 25, 31, 32, 33, 34, 35, 38, 39, 40