#include<iostream>
using namespace std;
int main(){
	string s;
	getline(cin,s);
	for(int i=0;i<s.size();i++){
		if(s[i]>='A' and s[i]<='Y')
		s[i]++;
		else if (s[i]>='a'and s[i]<='y')
		s[i]++;
		else if (s[i]=='Z'or s[i]=='z')
		s[i]-=25;
}
	cout<<s;
	return 0;
}
#include<iostream>
#include<string>
using namespace std;
int main(){
	string s1,s2;
	cin>>s1>>s2;
	int n=s1.size();
	int a[n]={0},b[n]={0},c[n+1]={0};
	for(int i=0;i<s1.size();i++) a[i]=s1[s1.size()-i-1]-48;
	for(int i=0;i<s2.size();i++) b[i]=s2[s2.size()-i-1]-48;
	for(int i=0;i<n;i++)
	{
		if(c[i]+a[i]+b[i]<10) c[i]=c[i]+a[i]+b[i];
		else{
			c[i]=(c[i]+a[i]+b[i])%10;
			c[i+1]++;
		}
	}
	if(c[n]==1) cout<<1;
	for(int i=n-1;i>=0;i--) cout<<c[i];
	return 0; 
}
//Adam is strong
//Peter is stronger
//Hank is even more strong
//Mr. Raviola is the strongest