1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#include <iostream>
using namespace std;

int main() {
	ios::sync_with_stdio(0);
	int n;
	char tmp;
	string str(8, 0), answer;
	cin >> n;
	for(int i = 0; i < n; ++i) {
		for(char& s : str)
			cin >> s;
		tmp = (char)stoi(str, nullptr, 2);
		if(tmp < 'a' || tmp > 'z') {
			cout << "NIE\n";
			return 0;
		} else {
			answer.push_back(tmp);
		}
	}
	cout << answer;
	return 0;
}