#include <iostream> #include <string> using namespace std; int main() { string s; cin >> s; int n = s.length(); string s1; for (int i = 0; i < n - 1; i++) { int sum = static_cast<int>(s[i]) + static_cast<int>(s[i + 1]); s1 += static_cast<char>(sum); } s1 += static_cast<char>(static_cast<int>(s[n - 1]) + static_cast<int>(s[0])); cout << s1 << endl; return 0; }