Task: Program Execution
Input (English): l R y 4489 5497 3513 S 1041 9257 N 9799 D K 3553 8243 8013 4295 x 411 U 687 4581 T W 225 N r k J 3445 6205 t 8251 4471 891 6197 3199 E
Output (English): 4, 5, 6, 8, 9, 11, 14, 15, 16, 17, 19, 21, 22, 25, 30, 31, 33, 34, 35, 36, 37