#include<bits/stdc++.h>
using namespace std;
int n;
string s;
int main(){
    cin>>n;
    while(n--)
	{
        cin>>s;
        if(s[0]>='a'&&s[0]<='z') 
		{
			s[0]=s[0]-32;
		}
		
        for(int i=1,len=s.size();i<len;i++)
		{
            if(s[i]>='A'&&s[i]<='Z') 
				s[i]=s[i]+32;
        }
        cout<<s<<endl;
    }
    return 0;
}