#include <iostream>
using namespace std;
class A{
    private:
    int x;
    int y;
    public:
    void display(int a,int b){//getting value
        x=a;
        y=b;//setter
    }
    void displayresult(){
        cout<<x<<" "<<y;
    }

};
int main(){
    'A',a1;
    a1.display(10,20);
    a1.displayresult();
    return 0;
}