/*
 * con1.c
 */
#include <stdio.h>

int main(void)
{
  printf("He was born on %d%d%d.\n", 6,23,1871);
  printf("He was born on %d-%d-%d.\n", 6,23,1871);
  printf("He was born on %d/%d/%d.\n", 6,23,1871);
  printf("He was born on %d/%d/%d.\n",6);
  return 0;
}