#include <stdio.h>
#include <stdlib.h>
 
 
int sum(int x, int y, int z) {
  char c = 4;
  int *a;
 
  return (c + x + y + z + *a) / 3;
}
 
int main(int argc, char *argv[]) {
  int i, j, k;
  int result;
 
  if (argc == 1) {
     printf("Please specify three numbers as parameters.\n");
     exit(1);
  }
 
  i = atoi(argv[1]);
  j = atoi(argv[2]);
  k = atoi(argv[3]);
 
  result = sum(i,j,44) + sum(j,k,55) + sum(i,k,66);
 
  printf("%d\n", result);
 
  return 0;
}
 
 
 

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