#include<stdio.h>

int main(void){
    int A, B;
    
    scanf("%d %d",&A, &B);
    for(int i=A;i<=B;i++){
        if(i%3==0){
            printf("%d\n",i);
        }else if(i%10==3){
            printf("%d\n",i);
        }else if((i/10)%3==0){
            printf("%d\n",i);
        }
    }
}