Automorphic Number

Accept a number from user and print if given number is Automorphic number or not.  

Automorphic number: A Automorphic number is a number which is contained in the last digit(s) of its square.  

For example:    25  in  625

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import java.util.Scanner;
public class AutomorphicNumber
{
    public static void main(){
        Scanner sc = new Scanner(System.in);
        int n;
        System.out.println("Enter any number:");
        n= sc.nextInt();
        int m = n;
        int flag = 0, q = n * n;
        while (n != 0) {
            int d = n%10; 
            int d1 = q%10;
            if (d != d1) 
                flag = 1;
            n = n / 10; 
            q = q / 10;
        }
        if ( flag == 0)
            System.out.println ("yes");
        else
            System.out.println ("no");
    }
}