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
38
39
40
41
42
#include <stdio.h>

int one, zero;
char str[1000000];

bool check(int ones, int zeros)
{
    if (ones < 0 || zeros < 0) return false;
    if (ones + zeros == 0) return true;
    
    return (8 * ones >= 3 * (ones + zeros)) && (6 * (ones + zeros) >= 8 * ones);
}

int main(void)
{
    char l[5] = "aeuo";
    int  dn[4] = {3,4,5,6};
    int  dz[4] = {5,4,3,2};
    
    scanf("%*d%s", str);
    
    for (int i = 0; str[i]; i++)
        if (str[i] == '1') one++;
        else              zero++;

    if (!check(one, zero))
        printf("NIE\n");
    else
    {
        while (one > 0)
            for (int i = 0; i < 4; i++)
                if (check(one - dn[i], zero - dz[i]))
                {
                    printf("%c", l[i]);
                    one  -= dn[i];
                    zero -= dz[i];
                }
        printf("\n");
    }
    
    return 0;
}