#include<iostream>
using namespace std;
class Person{
public:
int m_a;
int m_b;
int m_c;
Person(int a,int b,int c) :m_a(a), m_b(b), m_c(c){}
};
int main() {
Person p(30,20,10);
cout << p.m_a << p.m_b << p.m_c<<endl;
system("pause");
return 0;
}