#include <iostream>
using namespace std;
char cypher(char &c);
int main(){
string input;
while(getline(cin, input)){
for(int i=0;i<input.length();i++){
cypher(input[i]);
}
cout << input << endl;
}
return 0;
}
char cypher(char &c){
c = ((c >= 78 && c <= 90) || (c >= 110 && c <= 122)) ? c-13 : ((c >= 65 && c <= 77) || (c >= 97 && c <= 109)) ? c+13 : c;
}
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