/* This program codes a message by shifting all characters you type one letter higher.
   For example, an A becomes a B.
   The function will terminate when you type a S.
*/
#include <stdio.h>

int main(void)
{
	int done;
	char ch;

	done = 0;	

	while (!done)
	{
		ch = getchar();

		if (ch == 'S')
		{
			done  = 1;
			continue;
		}
		
		putchar(ch+1);
	}

	printf("\n");
	return 0;
}