int a=0,b=0,c=0,d=0;
        int n=4875;
        int rest=0,i=1;
 
 
        while(n!=0)
        {   
           rest = n%10;//ghet the last digit of the number
           n=(n-rest)/10; //the number gets the last digit out
 
 
              switch(i)
              {
                  case 1:a=rest;break;
                  case 2:b=rest;break;
                  case 3:c=rest;break;
                  case 4:d=rest;break;
              }
              i++;
        }
//see what we got
        System.out.println(Integer.toString(a));
        System.out.println(Integer.toString(b));
        System.out.println(Integer.toString(c));
        System.out.println(Integer.toString(d));
//after you have the variables you can test if(variable%2==0) is odd else its even