#include <stdio.h>

void display_and_change(int first, int second, int third)
 {
   printf("Original function values %d %d %d\n",
     first, second, third);

   first += 100; 
   second += 100;
   third += 100;

   printf("Ending function values %d %d %d\n", 
     first, second, third);
 }

void main(void)
 {
   int a = 1, b = 2, c = 3;

   display_and_change(a, b, c);

   printf("Ending values in main %d %d %d\n", a, b ,c);
 }