class
Sum_of_even_numbers_upto_n{
public static
void main(String args[]){
System.out.print("Upto
which number, you want to add add even numbers?");
Scanner sc= new
Scanner(System.in);
int n =
sc.nextInt();
int sum=0;
if(n>=1)
{
for(int
i=1; i<=n;i++)
{
if(i%2==0)
sum=sum+i;
}
}
System.out.println("The
sum of even numbers upto " +n+" is "+sum);
}}