#include
using namespace std;
int main() {
char ch1;
cin>>ch1;
int ch;
ch=int(ch1);
if(ch<=90&&ch>=65){
cout<<“UPPERCASE”;
}
else if(ch<=122&&ch>=97){
cout<<“lowercase”;
}
else if((ch>=0 && ch<=47) || (ch>=58&& ch<=64) || (ch>=91 && ch<=96) || (ch>=123 && ch<=127)){
cout<<“Invalid”;
}
return 0;
}
this is my code