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// compile with: g++ hello.cpp
#include<iostream>
#include<string>
#include<vector>
using namespace std;
// class is like struct... but
// - classes have methods - functions that run on the object
// - classes can make their data private
class myData {
private:
  int x, y;
public:
  
  myData(int n1, int n2) {
    x = n1; y = n2;
  }
  myData() {
    x = y = 0;
  }
  int getX() const {
    return x;
  }
  void setX(int n) {
    x = n;
  }
  int getY() const {
    return y;
  }
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