/****
 * caesar.c - Caesar Cipher
 *
 * - dementted
 ****/

/* The alphabet starting on 'd', lower and uppercase seperate */

char *s_alpha_lower = "defghijklmnopqrstuvwxyzabc";
char *s_alpha_upper = "DEFGHIJKLMNOPQRSTUVWXYZABC";

int main()
{
	int c;
	
	while ((c = getchar()) != EOF) {
		if (isalpha(c)) {
			if (islower(c)) {
				c -= 0x60;
				c = (int) s_alpha_lower[c];
			}
			
			else {
				c -= 0x40;
				c = (int) s_alpha_upper[c];
			}
		}
	putchar(c);
	}
	
	return 0;
}