#include <stdio.h>main()//below here a block is starting //{ int years; int adult = 18; printf("How old are you? "); scanf("%d", &years); printf("You are %d years old\n", years);/* The if statement below describes that if the users age is below that which is specified, then the code in the block below it will be displayed*/ if (years < adult) { printf("You are too young to be using this program\n"); printf("You are %d years below the age limit for the use of this program\n", adult - years); printf("This application will now exit\n"); } if (years > adult) { printf("Access granted to vault...\n"); printf("Your age has been verified, you are %d year(s) older than %d\n", years - adult, adult); } fflush(stdin); getchar();}