#include<iostream>
#include<cstring>
using namespace std;
int main(){
	char a[200];
	int i; 
	cin>>a;
	for(i=0;a[i]!='\0';i++){
		if(a[i]>='a'&&a[i]<='w') a[i]+=3;
		else if(a[i]>='A'&&a[i]<='W') a[i]+=3;
		else if(a[i]>='x'&&a[i]<='z') a[i]-=23;
		else if(a[i]>='X'&&a[i]<='Z') a[i]-=23;
	}
	cout<<a;
	return 0;
}