// Example program
#include <iostream>
#include <string>
using namespace std;



int main()
{
bool enc = 0; //change this to encript or decript
string user;

//cout<< msg[0];

int a;

char b;

getline(cin, user);

if (enc){
for(int i=0; i<user.length(); i++)
{
    // cout<<msg[i];
    a = user[i];
    a=(a +1);
    //cout << a;
    b = a;
    cout << b;// << " ";
}
cout << "\n ";
}else{

for(int i=0; i<user.length(); i++)
{
  // cout<<msg[i];
    a = user[i];
    a=(a -1);
    //cout << a;
    b = a;
    cout << b;// << " ";
}
}
}