1 #include <iostream>
2
3 using namespace std;
4
5 class Date
6 {
7 private:
8 int year;
9 int month;
10 int day;
11 public:
12 Date(){year=1900;month=1;day=1;}
13 Date(int,int,int);
14 void Show();
15 void Init(int,int,int);
16 };
17
18 Date::Date(int a, int b, int c)
19 {
20 year=a;
21 month=b;
22 day=c;
23 }
24
25 void Date::Show()
26 {
27 cout<<year<<'-'<<month<<'-'<<day<<endl;
28 return;
29 }
30
31 void Date::Init(int a, int b, int c)
32 {
33 year=a;
34 month=b;
35 day=c;
36 return;
37 }
38
39 int main()
40 {
41 Date d1,d2(2100,12,12);
42 int a,b,c;
43 cin>>a>>b>>c;
44 d1.Show();
45 d2.Show();
46 d1.Init(a,b,c);
47 d1.Show();
48 return 0;
49 }
