Why does this code return a random number even though there is no random?

#include 
    #include 
    #include 
    #include 
    #include 
    #include 
    #include 
    #include 
    #include 
    #include 

    using namespace std;

    string play_again;

    void wait ( double seconds )
    {
      clock_t endwait;
      endwait = clock () + seconds * CLOCKS_PER_SEC ;
      while (clock() > x;
      cout > y;
      cout > x;
      cout > y;
      cout > x;
      cout > y;
      cout > x;
      cout > y;
      cout > ans;
      if(ans == 'M') {
        
        multiply(num1, num2);
      } else if(ans == 'D') {

        divide(num1, num2);
      } else if(ans == 'S') {

        subtract(num1, num2);
      } else if(ans == 'A') {

        add(num1, num2);
      } else {

        cout > play_again;
      if (play_again == "Y") {

        askMathFunction();
      } else if (play_again == "N") {

        cout<< load("Logging out");
        return 0;
      } else {

        cout<< "Please enter something..."<< endl;
        playagain();
      }
    }

    int main( ){
      load("Loading");
      cout << "Calculator starting... " << std::endl;
      cout << "Press ENTER to start" << std::endl;
      cin.ignore();
      askMathFunction();
      playagain();
      while(play_again == "Y") {

        playagain();
      }
        
      return 0;
    }