Java programming problem--chicken and rabbit cage

The total number of chickens and rabbits is known to be n and the total number of legs is m. Enter N and M, and in turn output the number of chickens and the number of rabbits. If there is no solution, the output is no answer. Sample input: 14 32 Sample output: 12 2 Sample input: 10 16 Sample output: No answer

　　

Package Solve;import Java.util.scanner;public class solve{static Scanner scan = new Scanner (system.in);p ublic static void  Main (string[] args) {int n = scan.nextint (), M = Scan.nextint (); int chicken = (4 * n-m)/2;int tu =  n-chicken;if ( TU * 4 + chicken * 2 = = m) {if (Chicken >-1 && tu >-1) System.out.println (chicken + "" + tu); Elsesystem . OUT.PRINTLN ("No answer");} ElseSystem.out.println ("No answer");}}

　

Java programming problem--chicken and rabbit cage