#include<stdio.h>
#include<string.h>
main(){
    int A,B;
    scanf("%d%d",&A,&B);
    for(int i = A;i <= B;i++){
        char num[11];
        sprintf(num,"%d",i);
        if(i % 3 == 0 || strchr(num,'3') != NULL){
            printf("%d\n",i);
        }
    }
}