Task: Program Execution
Input (English): N 3501 2405 y 2035 9843 6869 X W 6197 8805 7443 4203 p J 933 2165 e f 1497 7207 2421 I 9785 c 5091 p 3395 7103 7821 7001 w
Output (English): 2, 3, 5, 6, 7, 10, 11, 12, 13, 16, 17, 20, 21, 22, 24, 26, 28, 29, 30, 31