// cypher1.c -- alters input, preserving spaces
#include <stdio.h>

// that's quote-space-quote
const char SPACE = ' ';

int main(void)
{
	char ch;

	// read a character
	ch = getchar();
	// while not end of line
	while (ch != '\n')
	{
		if (ch == SPACE)
		{
			// leave the space character unchanged
			putchar(ch);
		}
		else
		{
			// change other characters
			putchar(ch + 1);
		}
		ch = getchar();
	}
	// print the newline
	putchar(ch);

	return 0;
}