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