#include<bits/stdc++.h> using namespace std; char a[50],b[50]; int main() { cin>>a; int n=strlen(a); for(int i=0;i<n;i++){//条件1 if(a[i]<=119&&a[i]>=97){ b[i]=a[i]+3-32; continue; } if(a[i]>119&&a[i]>=97){ b[i]=a[i]-23-32; continue; } if(a[i]<=87&&a[i]>=65&&a[i]<=90){ b[i]=a[i]+3+32; continue; } if(a[i]>87&&a[i]>=65&&a[i]<=90){ b[i]=a[i]-23+32; continue; } } for(int i=n;i>=0;i--){ cout<<b[i]; } return 0; }