Task: Program Execution
Input (English): 7615 m y 4903 D C 447 6107 J b b 1551 n Q 6351 h 4941 N N 8251 b 4147 G X R k 7813 347 9543 u J 4773 1333 M u 6979 s O R
Output (English): 2, 3, 5, 6, 9, 10, 11, 13, 14, 16, 18, 19, 21, 23, 24, 25, 26, 30, 31, 34, 35, 37, 38, 39