#include<bits/stdc++.h> using namespace std; string a,s; int main(){ getline(cin,s); int len = s.size(); for(int i=0;i<len;i++){ if(s[i] >= 'a'&&s[i] <= 'z'){ s[i]-=32; } else if(s[i] >= 'A'&&s[i] <= 'Z'){ s[i]+=32; } } char t; for(int j=0;j<len;j++){ if(s[j]>='a'&&s[j]<='x'){ s[j] = char((s[j]-97+3)%26+97); } else{ s[j] = char((s[j]-65+3)%26+65); } } cout<<s; return 0; }