#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

const int N = 3;

int main() {
	srandom(time(0));
	int arr[N][N] = {0};
	
	for(size_t i = 0; i < N; i++){
		for(size_t j = 0; j < N; j++){
			arr[i][j] = rand() % 10 + 15;
			if(arr[i][j] > 10){
				arr[i][j] /= 2;
			}
		}
	}
	for(size_t i = 0; i < N; i++){
		for(size_t j = 0; j < N; j++){
			cout << arr[i][j] << ' ';
		}
	}
	return 0;
}