Some test case not working don't know why

#1

#include<bits/stdc++.h>
using namespace std;

int main() {
char ch;
cin>>ch;
if(ch>=‘A’ && ch<=‘B’){
cout<<“U”<<endl;
}
if(ch>=‘a’ && ch<=‘z’){
cout<<“L”<<endl;
}
else{
cout<<“I”;
}
return 0;
}

#2

hi @mvarun975_a7021058d653891d corrected and commented

#3

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