//??????????
//???2010.12.18
//??????
//???1000012856

int main()
{
	char s[101], s1[100];			//s?????????s1???????
	int i, l;						//i?????l?s???
	gets(s);						//??s
	l = strlen(s);
	for(i = 0; i < l - 1; i++)
		s1[i] = s[i] + s[i + 1];	//??????????????s1
	s1[l - 1] = s[l - 1] + s[0];	//???s1????
	for(i = 0; i < l; i++)
		cout << s1[i];
	cout << endl;					//??
	
	return 0;
}

