func_code_string: #include <bits/stdc++.h>   using namespace std;   string s, t;   int l = 0, r = 0;   int main() {     cin >> s >> t;     while (s[l] !=  | ) l++;     r = s.size() - l - 1;     int dif;     if (l > r)       dif = t.size() - (l - r);     else       dif = t.size() - (r - l);     if (dif < 0 || dif & 1) {       cout <<  Impossible  << endl;       return 0;     }     if (l < r) {       reverse(s.begin(), s.end());       int i = 0;       while (l < r) {         s += t[i];         i++;         l++;       }       while (i < t.size()) {         s += t[i];         i++;         s = t[i] + s;         i++;       }       reverse(s.begin(), s.end());       cout << s << endl;       return 0;     }     int i = 0;     while (r < l) {       s += t[i];       i++;       r++;     }     while (i < t.size()) {       s += t[i];       i++;       s = t[i] + s;       i++;     }     cout << s << endl;     return 0;   }   