
void main()
{
	int len,i;
	char s[1000];
	gets(s);
	len=strlen(s);
	for (i=0;i<len-1;i++)
      printf("%c",(int)(s[i])+(int)(s[i+1]));
	printf("%c\n",(int)(s[0])+(int)(s[len-1]));
}