public class lx {
public static void main(String[] args) {
int sum=0;
for (int i=0;i<=8;i++){
sum+=i;
}
System.out.println(sum);
}
}
public class lx {
public static void main(String[] args) {
int sum=0;
for (int i=0;i<=8;i++){
sum+=i;
}
System.out.println(sum);
}
}