#include<iostream>
#include<cstdio>
#include<cmath>
#include<ctime>
#include<algorithm>//sort函数库 
#include<cstdlib>
#include<cstring>
#include<bits/stdc++.h>
#include<map>
#define gets(S) fgets(S,sizeof(S),stdin)
#pragma optimize GCC(2)
using namespace std;
string word[100000];
int main()
{	
	int key=1;
	while(cin>>word[key])
	{
		key++;
	}
	for(int i=key-1;i>=1;i--)
	{
		string change;
		change=word[i];
		if(change[0]>='0'&&change[0]<='9')
		{
			for(int j=change.size()-1;j>=0;j--)
			{
				cout<<change[j];
			}
		}
		else
		{
			for(int j=0;j<=change.size();j++)
			{
				if(change[j]>='a'&&change[i]<='z')
				{
					change[j]-=32;
				}
				else
				{
					change[j]+=32;
				}
			}
			cout<<change;
		}
		cout<<" ";
	}
		return 0;
}