/*  Example 5.5 Encrypting machine
	Source: K&R2, p.19
 */

#include <stdio.h>

main () {
	int c, nl;

	nl = 0;
	while((c = getchar()) != EOF) 
		if(c >= 'A' && c<= 'z')
			putchar(c+1);
		else 
			putchar(c);	
}