#include <iostream> using namespace std; int main() { for (char c = 'a'; c <= 'z'; ++c) { cout << c; if (c != 'z') { cout << ","; } } cout << endl; for (char c = 'Z'; c >= 'A'; --c) { cout << c; if (c != 'A') { cout << " "; } } cout << endl; return 0; }