题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c=0;
    cin>>a>>b;
    if(153>=a&&153<=b){
        cout<<"153"<<" ";
        c++;
    }
    if(370>=a&&370<=b){
        cout<<"370"<<" ";
        c++;
    }
    if(371>=a&&371<=b){
        cout<<"371"<<" ";
        c++;
    }
    if(407>=a&&407<=b){
        cout<<"407";
        c++;
    }
    if(c==0){
        cout<<"NULL";
    }
    return 0;
}