#include <iostream.h>
void wvi(int n)
{
   int tens_in_n = 1;
   int left = n;
   while(left > 9)
   {
      left = left / 10;
      tens_in_n = tens_in_n * 10;
   }
   for(int powof10 = tens_in_n; powof10 > 0; powof10 = powof10/10)
   {
      cout << (n / powof10) << endl;
      n = n % powof10;
   }
}
void main()
{
   wvi(3412);
}