/************************************
*??????????    			*
*?????? 1200012921			*
*???2012-12-5					*
*************************************/

int main()
{
	char s[101], s1[101], *p = NULL, *q = NULL;			//p??s?q??s1
	cin.getline(s, 101);
	int len = strlen(s);								//s??
	for (p = s, q = s1; p < s + len - 1; p++, q++)		//asc???
		*q = *p + *(p + 1);
	*q = *p + s[0];										//??????
	for (q = s1; q < s1 + len; q++)						//??
		cout << *q;
	return 0;
}