#include <bits/stdc++.h> using namespace std; int main() { string s; getline(cin, s); vector<pair<char,int>> sto; for (int i = 0; i < s.size(); ++i) if (isalpha(s[i])) sto.push_back({tolower(s[i]), i}); sort(sto.begin(), sto.end()); string ans = s; int p ...