#include <stdio.h>

#include <string.h>


main()
{
	int i ;
	char aa[500];
	while(gets(s) && strcmp(s, "ENDOFINPUT"))
	{
		if(! strcmp(s, "START") || ! strcmp(s, "END"))
			continue;
		for(i = 0; aa[i]!='\0'; i++)
		{
			if (('A'>aa[i])||(aa[i]<'Z'))
				continue;
			aa[i] -= 5;
			if (aa[i] < 'A')
				aa[i] += 26;
		}
		printf("%s\n", aa);
	}
	
}