#include <stdio.h> int main () { char str[80]; int i; printf ("Enter your last name: "); scanf ("%s",str); printf ("Enter your age: "); scanf ("%d",&i); printf ("Last Name = %s , age = %d .\n",str,i); printf ("Enter a hexadecimal number: "); scanf ("%x",&i); printf ("You have entered %#x (%d).\n",i,i); return 0; }