#include <bits/stdc++.h>
using namespace std;
char ch[100][20];
int main(){
	int n;
	cin>>n;
	for(int i=0;i<=n-1;i++)
		cin>>ch[i];
	for(int i=0;i<=n-1;i++)
		if(ch[i][0]=='a'||ch[i][0]=='b'||ch[i][0]=='c'||ch[i][0]=='d'||ch[i][0]=='e'||ch[i][0]=='f'||ch[i][0]=='g'||ch[i][0]=='h'||ch[i][0]=='i'||ch[i][0]=='j'||ch[i][0]=='k'||ch[i][0]=='l'||ch[i][0]=='m'||ch[i][0]=='n'||ch[i][0]=='o'||ch[i][0]=='p'||ch[i][0]=='q'||ch[i][0]=='r'||ch[i][0]=='s'||ch[i][0]=='t'||ch[i][0]=='u'||ch[i][0]=='v'||ch[i][0]=='w'||ch[i][0]=='x'||ch[i][0]=='y'||ch[i][0]=='z')
			ch[i][0]=toupper(ch[i][0]);
	for(int i=0;i<=n-1;i++)
		for(int b=1;b<=19;b++)
			if(isupper(ch[i][b])==1)
				ch[i][b]=tolower(ch[i][b]);
	for(int i=0;i<=n-1;i++){
		for(int b=0;b<=19;b++)
			cout<<ch[i][b];
		cout<<endl;
	}
	return 0;
}