Task: Program Execution
Input (English): 3137 p m l q s x Z E 9257 4307 5041 h 515 1469 k 5473 8859 4073 1853 l a 9699 3933 e 6259 369 I 8007 9193 7161 7291 S 6241 f 4841 g z W 939
Output (English): 2, 3, 4, 5, 6, 7, 8, 9, 13, 16, 21, 22, 25, 28, 33, 35, 37, 38, 39