#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<cstring>
#include<string.h>
using namespace std;
char s[1000001];
int main()
{
gets(s);
int l=strlen(s);
for(int i=0;i<l;++i)
{
if(s[i]=='z' || s[i]=='Z')s[i]-=25;
else if(s[i]>='a' && s[i]<='z' || s[i]>='A' && s[i]<='Z')s[i]++;
cout<<s[i];
}
return 0;
}