#include<iostream>
#include<string>
using namespace std;

int main()
{
	string n;
	while(getline(cin,n))
	{
		for(int i=0;i<26;i++)
		{
			string ans;
			for(int j=0;j<n.size();j++)
			{
				ans+=n[j];
				if('a'<=ans[j]&&ans[j]<='z')
				{
					ans[j]-=i;
					if(ans[j]<'a') ans[j]+=26;
				}
			}
			if(ans.find("the")!=-1||ans.find("this")!=-1||ans.find("that")!=-1)
			{
				cout<<ans<<endl;
				break;
			}
		}
	}
	return 0;
}