1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    char c;
    int num[2] = {0, 0};
    cin >> n;
    for (int i = 0; i < 8*n; i++){
        cin >> c;
        if (c == '0') num[0]++;
        else num[1]++;
    }
    int bilans = num[0] - num[1];
    int num_a = 0, num_w = 0, num_n = 0, num_e = 0;
    if (bilans % 2 == 1) {cout << "NIE"; return 0;}
    if (bilans > 0) num_a = bilans / 2;
    else if (bilans < 0){
        num_w = -bilans/4;
        num_n = (-bilans % 4)/2;
    }
    num_e = (num[0] + num[1])/8 - num_a - num_w - num_n;
    if (num_e < 0) {cout << "NIE"; return 0;}
    for (int i = 0; i < num_a; i++) cout << "a";
    for (int i = 0; i < num_w; i++) cout << "w";
    for (int i = 0; i < num_n; i++) cout << "n";
    for (int i = 0; i < num_e; i++) cout << "e";
}