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

int main() {
	char ch[500];
	int i,len;
	while(1) {
		gets(ch);
/*		for(i=0;;i++){                   改用这里输入就Runtime Error
			scanf("%c", &ch[i]);
			if(ch[i]=='\n') {
				ch[i] = '\0';
				break;
			}
		}*/
		len=strlen(ch);
		if(!strcmp(ch,"START") || !strcmp(ch,"END")) continue;
		if(!strcmp(ch,"ENDOFINPUT")) break;
		for(i=0;i<len;i++) {
			if(ch[i]>'E' && ch[i]<='Z') printf("%c", ch[i]-5);
			else if(ch[i]>='A' && ch[i]<='E') printf("%c",ch[i]+21);
			else printf("%c", ch[i]);
		}
		printf("\n");
	}	
	return 0;
}