#include <iostream>
using namespace std;
 
constexpr int N = 10;
 
int a[N] = { 1,2,3,4,5,6,7,8,9,0 };
int b[N] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int c[N];
 
void printArray(int* a, int length) {
	for (int i = 0; i < length; ++i) {
		cout << a[i] << "\t";
	}
	cout << endl;
}
 
int main() {
	// your code goes here
	for (int i = 0; i < N; ++i)
		c[i] = (i%2 == 0 ? a[i+1] : b[i-1]);
 
	printArray(a, N);
	printArray(b, N);
	printArray(c, N);
 
	return 0;
}

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