#include <stdio.h>

int forloop(int);

int x;
int result = 10;

int main(int argc, char **argv)
{
  int i = -1;
  int j;

  printf("Enter decimal x: ");
  j = scanf("%d", &x);

  result = forloop(x);
  
  result += forloop(result);

  printf("result = %d\n", result);
  return 0;
}

int forloop(int bound) {
  int i = -1;
  int localresult = result;

  for (i = 5; i <= bound; i+=2) {
    localresult = localresult + (i-2);
  }

  return localresult;
}