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

int main() {
    char str[20],i;
    scanf("%[^\n]s",str);
    int len=strlen(str),ind,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++;
        }
    }
    ans[len]='\0';
    printf("%s",ans);
    return 0;
}