#include <stdio.h>                                                                                                      
                                                                                                                        
int main()                                                                                                              
{                                                                                                                       
  int a, b;                                                                                                             
  scanf("%d %d",&a,&b);                                                                                               
  int k;                                                                                                                
  for (k = a; k <= b; k++){                                                                                             
    if (k % 3 == 0 || isIncludeThree(k) == 1) {                                                                         
      printf("%d\n", k);                                                                                                
    }                                                                                                                   
  }                                                                                                                     
  return 0;                                                                                                             
}                                                                                                                       
                                                                                                                           
int isIncludeThree(int k)                                                                                                  
{                                                                                                                          
  int tmp;                                                                                                                 
  while ( k > 0 ) {                                                                                                        
    tmp = k % 10;                                                                                                          
    if ( tmp == 3 ) { return 1; }                                                                                          
    k /= 10;                                                                                                                                                                                                 
  }                                                                                                                     
  return 0;                                                                                                             
}