#include<stdio.h>
#include<ctype.h>

 void encode_message(const char*input) {
    while(*input){
        if(isalpha(*input)) {
            if(islower(*input)) {
                putchar('z'-(*input-'a'));
            } else {
                putchar('z'-(*input-'A'));
            } 
        }else if (*input ==" ") {
            putchar *(" ");
        } else {
            printf("Invalid Input\n");
            return 0;
        }
        input++;
    }
    printf("\n");
 }
 int main(){
    char message[10000];
    
    if(fgets(message,sizeof(message)stdin) ==NULL){
        printf("Invalid Input\n");
        return 1;
    }
    //remove newline if present message[strcspn(message,"\n")]=0;
    encode_message(message);
    return 0;
}