3.4.cpp

#include <iostream>
#include <string>

void check_equal() {
  std::string s1, s2;
  if (std::cin >> s1 >> s2) {
    if (s1 == s2)
      std::cout << "The two strings are equal." << std::endl;
    else if (s1 > s2)
      std::cout << "The first string is larger." << std::endl;
    else
      std::cout << "The second string is larger." << std::endl;
  }
}

void check_length() {
  std::string s1, s2;
  if (std::cin >> s1 >> s2) {
    if (s1.size() == s2.size())
      std::cout << "The two strings have same length." << std::endl;
    else if (s1.size() > s2.size())
      std::cout << "The first string is longer." << std::endl;
    else
      std::cout << "The second string is longer." << std::endl;
  }
}

int main() {
  //check_equal();
  //check_length();

  return 0;
}