import java.util.*;

public class PrintInitials {
        public static void main(String[] args) {
                Scanner input = new Scanner(System.in);
                System.out.print("Input Name: ");
                String str = input.nextLine();
                String st[] = str.split(" ");
                char ch[] = new char[st.length - 1];
                for (int i = 0; i < st.length - 1; i++) {
                        ch[i] = st[i].charAt(0);
                }
                int len = st.length;
                for (int i = 0; i < ch.length; i++) {
                        System.out.print(ch[i] + ".");
                }
                System.out.print(st[len - 1]);
        }
}

import java.util.*;

public class PrintInitials {
        public static void main(String[] args) {
         Scanner input=new Scanner(System.in);
         System.out.println("Enter Name");
         String name=input.nextLine();
         input.close();
         int index = name.lastIndexOf( " " ) + 1;
         String st= name.substring(0,index);
         Scanner scan=new Scanner(st);
         while(scan.hasNext()){
         System.out.print(scan.next().charAt(0)+".");
         }
         scan.close();
         System.out.print(name.substring(index));
        }
}