#include <stdio.h>

int mfn(int ii, int jj, int *kk);

int main() {
  int i,j,k, result;
  result =0;
  i=4;  j=5;   k=0;
  mfn(i,j,&k);
  printf("%d+ %d = %d\n",i,j,k); 
  return 0;
 }

int mfn(int ii, int jj, int *kk) {

  int i;
  i = 10; 
  printf("%d\n", *kk);
  *kk = ii+jj;
   printf("-----> %d+ %d = %d\n",ii,jj,*kk);
  return 0;
}