< Let Us GCC 
 
 
        
      Old Code
/* Just for fun. Author: Bozo */
main( )
{
    int num ;
    printf ( "Enter a number" ) ;
    scanf ( "%d", &num ) ;
    printf ( "Now I am letting you on a secret..." ) ;
    printf ( "You have just entered the number %d", num ) ;
}
New Code
/* Just for fun. Author: Bozo */
/* Editor GReaperEx Date: 19/7/2015 */
#include <stdio.h>
int main(void)
{
    int num;
    printf("Enter a number");
    scanf("%d", &num);
    printf("Now I am letting you on a secret...");
    printf("You have just entered the number %d", num);
    return 0;
}
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