ข้อ1

#include <stdio.h>
   int main()
{
       char fname[100],surname[100];
       int d,m,y;
   scanf("%s",fname);
   scanf("%s",surname);
   scanf("%d/%d/%d",&d,&m,&y);
   printf("%s %s have been on this earth for %d years",fname,surname,2013-y);
 return 0;
}