using System;
public class Program
{
public static void Main()
int a;
int sum = 0;
int k = 0;
while (k < 1000)
a = k;
sum = 0;
while(a > 0)
sum = a % 10 + sum;
a = a / 10;
}
Console.Write(k + " ");
Console.WriteLine(sum);
k=k+1;