#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")