#include using namespace std;\ int isLower(char c){ if (c >= 'a' && c <= 'z') { return 1; } else { return 0; } } int isUpper (char c) { if (c >= 'A' && c <= 'Z') { return 1; } else { return 0; } } int isAlpha (char c) { if (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z') { return 1; } else { return 0; } } int isDigit (char c) { if (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c >= '0' && c <= '9'){ return 0; } else { return 1; } } int main() { freopen("BAI1.INP", "r", stdin); freopen("BAI1.OUT", "w", stdout); char c; cin>>c; cout<