#include #include using namespace std; int main() { string s; cin >>s; for (size_t i = 0; i < s.size(); ++i) { char p = s.at(i); if (p < 91) { s.at(i) = static_cast('p' + 32); } else { s.at(i) = static_cast('p' - 32); } } cout << s << endl; return 0; }