Task: Program Execution
Input (English): 7885 Z q 5041 5793 N 6855 g z 4859 6535 j 4177 L 3225 6975 p 9867 7979 6415 4821 9595 1191 o 5521 4919 Z B C 9521 3419 U z
Output (English): 1, 4, 5, 7, 10, 11, 13, 15, 16, 18, 19, 20, 21, 22, 23, 25, 26, 30, 31