题解

#include<bits/stdc++.h>
using namespace std;
int ji(int a,int b){
    return a>b;
}
int main(){
    string a,b;
    cin>>a>>b;
    if(a.length()>b.length()){
        cout<<b<<endl<<a;
    }
    else if(a<b){
        cout<<a<<endl<<b;
    }
    else{
        if(a>b){
            cout<<b<<endl<<a;
        }
        else{
            cout<<a<<endl<<b;
        }
    }
    return 0;
}