#include <cstdio>
#include <string.h>

using namespace std;

int main()
{
	char in[81];
	char tht[3][10] = {"the","this","that"};
	int len;
	bool end;

	while(gets(in)){
		len = strlen(in);
		end = false;
		for(int i = 0; i < 26; i++){
			for(int j = 0; j < len; j++){
				if(in[j] >= 'a' && in[j] <= 'z'){
					if(in[j] == 'z'){
						in[j] = 'a';
					}
					else{
						in[j]++;
					}
				}
			}
			for(int c = 0; c < 3; c++){
				if(strstr(in,tht[c]) != NULL){
					printf("%s\n",in);
					end = true;
					break;
				}
			}
			
			if(end){
				break;
			}
		}
	}

	return 0;
}