#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() #include<string> #include<sstream> using namespace std; int main() { string input; cin>>input; for(char&c:input){ c=(c-'a'+1)%26+'a'; } cout<<input; return 0; }