#include<bits/stdc++.h>
#define int unsigned int
using namespace std;
    string a[1010];
signed main(){
    int b=1;
    do{
    cout<<6;
    }while(cin>>a[b++]);
    cout<<2;
    for(int i=1;i<=1000||a[i].length()==0;++i){
    if(a[i][1]>=97){
        string b="";
        for(int j=0;j<a[i].length();++j)
            b+=a[i][j]-32;

        a[i]=b;
    }else if(a[i][1]>=65){
        string b="";
        for(int j=0;j<a[i].length();++j)
            b+=a[i][j]+32;
        a[i]=b;
    }else{
        string b=a[i];
        for(int j=a[i].length()-1;j>=0;--j)
            b+=a[i][j];
        a[i]=b;
    }
    }
        for(int i=1000;i>=1;++i){
            if(a[i].length()==0)
            continue;
            cout<<a[i]<<" ";
        }
}