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
30
31
32
33
34
35
36
37
#include <iostream>

using namespace std;

int main() {
    int n,L = 0;
    cin>>n;
    string s;
    cin>>s;
    for(int i=0; i<8*n; ++i) {
        if(s[i] == '1') L++;
    }
    if(L < 3*n || L > 6*n) {
        cout<<"NIE"<<endl;
        return 0;
    }
    int Q,R;
    Q = L / n;
    R = L % n;
    if(Q == 3) {
        for(int i=0; i<R; ++i) cout<<"c";
        for(int i=R; i<n; ++i) cout<<"a";
    }
    else if(Q == 4) {
        for(int i=0; i<R; ++i) cout<<"z";
        for(int i=R; i<n; ++i) cout<<"c";
    }
    else if(Q == 5) {
        for(int i=0; i<R; ++i) cout<<"w";
        for(int i=R; i<n; ++i) cout<<"z";
    }
    else {
        for(int i=0; i<n; i++) cout<<"w";
    }
    cout<<endl;
    return 0;
}