#include <stdio.h>
#include<string.h>

int main() {
    char str[30],ans[30];
    scanf("%[^\n]s",str);
    int len =strlen(str),int,cnt=0;
    for(ind =len-1;ind>=0;ind--){
        if(str[ind] == ' '){
            cnt=0;
            ans[ind]=' ';
            continue;
        }else{
            int sum=str[ind]+cnt;
            if(str[ind]>='A'&&str[ind]<='Z' && (sum>90)){
                sum-=26;
            }else if( str[ind]>='a'&&str[ind]<='z' && (sum>122)){
                sum-=26;
            }
            ans[ind]=sum;
            cnt++;
        }
    }
    printf("%s",ans);
return 0;
}