#include<iostream>
#include<cstring>
using namespace std;
int main(){
    const int n=79;
    char a[n+1];
    getline(cin,a);
    for(int i=1;i<=a.length();i++){
        if(((a[i]>='a')&&(a[i]<='y'))||((a[i]>='A')&&(a[i]<='Y'))){
            a[i]+=1;
        }
        if(a[i]=='z') a[i]='a';
        if(a[i]=='Z') a[i]='A';
        else
            a[i]=a[i];
        cout<<a[i];
    }
    return 0;
}