public class ldigit
{
     public static void main( String args[])
     { 
        int a;
        int lastdigit;
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        a = n;     
        while( n>10 )
        {
            a = a / 10;          
        }
        lastdigit = n % 10;
        System.out.println("firstdigit" + a );
        System.out.println("last digit" + lastdigit);
      }
} 
			
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