Funkcja PESEL Egzamin PPJP

public static void main(String[] args) {
     String[][] pesele = new String[2][2];
        pesele[0][0] = "99110907619";
        pesele[0][1] = "PRAWDA";
        pesele[1][0] = "99110907619";
        pesele[1][1] = "PRAWDA";
        PESEL(pesele);
    }
    public static long[] PESEL(String[][] tab){
        long []zwrot = new long[tab.length];

        for(int i=0;i<tab.length;i++){
        long peselint = Long.parseLong(tab[i][0]);
        long k = peselint%10;
        peselint =(peselint - k)/10;
        long j = peselint%10;
        peselint =(peselint - j)/10;
        long ii = peselint%10;
        peselint =(peselint - i)/10;
        long h = peselint%10;
        peselint =(peselint - h)/10;
        long g = peselint%10;
        peselint =(peselint - g)/10;
        long f = peselint%10;
        peselint =(peselint - f)/10;
        long e = peselint%10;
        peselint =(peselint - e)/10;
        long d = peselint%10;
        peselint =(peselint - d)/10;
        long c = peselint%10;
        peselint =(peselint - c)/10;
        long b = peselint%10;
        peselint =(peselint - b)/10;
        long a = peselint%10;
        long poprawne = a+3*b+7*c+9*d+e+3*f+7*g+9*h+i+3*j+k;
        if(poprawne%10 == 0)
        {
            tab[i][1]="Poprawny";
        }else
        {
            tab[i][1]="Bledny";
        }
        System.out.println(""+a+b+c+d+e+f+g+h+ii+j+k);
        System.out.println(tab[i][1]);
        zwrot[i]=poprawne;
       }
        return zwrot;
    }