#include <iostream>
using namespace std;

static bool containsNoDependence(char a) {

    if (a != '=' || a != 'S' || a != 'I')
      return false;
  
  return true;
}

int main() {
	std::cout << "'=' " << containsNoDependence('=') << "\n";
	std::cout << "'S' " << containsNoDependence('S') << "\n";
	std::cout << "'T' " << containsNoDependence('T') << "\n";
	std::cout << "'O' " << containsNoDependence('O') << "\n";
	std::cout << "'X' " << containsNoDependence('X') << "\n";
	return 0;
}