#include <iostream>
#include<cstdio>
#include<string>
using namespace std;
int main() {
string str;
while(getline(cin,str)){
for(int i=0;i<str.size();i++){
if(str[i]=='z'||str[i]=='Z')
str[i]-=25;
if(str[i]<='Y'&&str[i]>='A')
str[i]++;
if(str[i]<='y'&&str[i]>='a')
str[i]++;
}
cout<<str<<endl;
}
return 0;
}
// 64 位输出请用 printf("%lld")

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