#include <stdio.h>

int main(void)
{
  int a, b, w;

  scanf("%d%d", &a, &b);
  for(a; a <= b; a++){
    w = a;
    while(w != 0){
      if(w % 3 == 0 || w % 10 == 3){
        printf("%d\n", a);
        w = 0;
      }else{
        w = (int)w / 10;
      }
    }
  }
  return 0;
}