#include<stdio.h>
void main()
{
    char first_name[4] = {'A','r','y','a'};
    char last_name[5] = {'S','t','a','r','k'};
    printf("Initials: %c.%c. \n", first_name[0], last_name[0]);
    printf("First Name: %s \n", first_name);
}

Initials: A.S. 
First Name: Arya