简单题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    string s1,s2;
    getline(cin,s1);
    getline(cin,s2);
    transform(s1.begin(),s1.end(),s1.begin(),::tolower);
    transform(s2.begin(),s2.end(),s2.begin(),::tolower);
    if(s1<s2)
        cout<<"<";
    else if(s1==s2)
        cout<<"=";
    else
        cout<<">";
    return 0;
}