int sum1=0;int sum2=0;
        System.out.println("GO");
        for (int j=0;j!=a.length;j++)
        a[j]=reader.nextInt();

        for (int i=0;i!=a.length/2;i++)
        {sum1+=a[i];
            sum2+=a[a.length-i-1];}
            if (sum1==sum2)
            return true;
            else return false;}}