Why all test cases are not passed?

#1

#include
using namespace std;
int main() {
char c;
cin>>c;
int n = int©;
if(n>=65 && n<=90){
cout<<“UPPERCASE”;
}
else if(n>=97 && n<=122){
cout<<“lowercase”;
}
else{
cout<<“invalid”;
}
return 0;
}

#2

@Ankita987 invalid i should be capital.
i hope its clear dont forget to mark it as resolved