#include<iostream>
using namespace std;
class TextProcessor {
    public:
    static int count;
    static void process(string str){
        bool valid = true;
        for(int i=0;i<str.length();i++){
             if(!((str[i] >='a' && str[i] <='z') || (str[i] <= 'A' && str[i] <= 'Z'))){
                valid = false;
                break;
            }
        }
        if(valid){
            for(int i=0;i< str.length();i++){
                if(str[i] >= 'a' && str[i] <= 'z'){
                    str[i] = str[i] - 32; 
                }
            }
            cout<<str<<endl;
            cout<<str;
        }
        else{
            cout<<"Invalid input"<<endl;
        }
    }
};
int TextProcessor::cout = 0;
int main()
{
    int n;
    cin>>n;
    string str;
    for(int i=0;i<n;i++){
        cin>>str;
        TextProcessor::process(str);
    }
    return 0;
}