Run id: 80432

Main.cc: In function 'int main()':
Main.cc:5:2: error: 'cin' was not declared in this scope
  cin >> a >> b >> c;
  ^
Main.cc:6:30: error: 'strlen' was not declared in this scope
  for (int i = 0; i < strlen(a); i++) {
                              ^
Main.cc:14:2: error: 'cout' was not declared in this scope
  cout << a;
  ^