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#include<stdio.h>
#include<string.h>
int main() {
	char s[120];
	int i;
	while(gets(s)) {
		if(!strcmp(s,"ENDOFINPUT"))
			break;
		else if(!strcmp(s,"START"))
			continue;
		else if(!strcmp(s,"END"))
			continue;
		else {
			for(i=0; i<strlen(s); i++) {
				if(s[i]<='Z'&&s[i]>='F')
					s[i]-=5;
				else if(s[i]>='A'&&s[i]<='E')
					s[i]+=21;
			}
			printf("%s\n",s);
		}
	}
	return 0;
}