#include <stdio.h>

int main() {

  unsigned n = 0;

  printf("\nCinco primeros naturales: ");

  n++; /* 1 */
  printf("%u, ", n);
  n++; /* 2 */
  printf("%u, ", n);
  n++; /* 3 */
  printf("%u, ", n);
  n++; /* 4 */
  printf("%u, ", n);
  n++; /* 5 */
  printf("%u.\n", n);

  system("pause");
  return 0;
}