#include <stdio.h>
int x;

main()
{
    puts( "Enter an even integer value" );
    scanf( "%d", &x );
    while( x % 2 != 0)
    {
        printf( "\n%d is not even, Please enter an even number: ", x );
        scanf( "%d", &x );
    }
    printf( "\nThe value entered is %d\n", x );
    
    return 0;
}