#include <stdio.h>
#define NIL (0)
class Cell {
public:
	int x;
	int y;
	Cell() { x = 0; y = 0; }
	void setCell(int i) {
		x = i; y = 10 - i;
	}
	int getCell() {
		return x+y;
	}
};
class Cells {
public:
	Cell data[5];
	Cells(int x[]) {
		for (int i = 0; i < 5; i++) {
			data[i].setCell(x[i]);
		}
	}
	int getCells() {
		int val = 0;
		for (int i = 0; i < 5; i++) {
			val = val + data[i].getCell();
		}
		return val;
	}
};
void main()
{
	int key[5] = { 0, 1, 2, 3, 4 }; // key °ª ´ëÄ¡
	Cells what(key);
	printf("answer = %d\n",what.getCells());
}