public class Main { public static void main(String[] args) {
//write your code here........
long a =9;
long sum =0;
for(int i=0;i<10;i++){
sum+=a;
a =a+a*10;
}
System.out.println(sum);
}
}
public class Main { public static void main(String[] args) {
//write your code here........
long a =9;
long sum =0;
for(int i=0;i<10;i++){
sum+=a;
a =a+a*10;
}
System.out.println(sum);
}
}