n = int(input())
s = input().strip()

def generate_99_song():
    song = []
    for i in range(99, 0, -1):
        part1 = f"{i} bottle{'s' if i != 1 else ''} of beer on the wall, {i} bottle{'s' if i != 1 else ''} of beer."
        song.append(part1)
        part2 = "Take one down and pass it around, "
        if i - 1 == 0:
            part2 += "no more bottles of beer on the wall."
        else:
            part2 += f"{i-1} bottle{'s' if (i-1) != 1 else ''} of beer on the wall."
        song.append(part2)
        song.append("\n")
    song.append("No more bottles of beer on the wall, no more bottles of beer.\n")
    song.append("Go to the store and buy some more, 99 bottles of beer on the wall.\n")
    return ''.join(song)

song_99 = generate_99_song()

if s == song_99:
    print('9')
elif s == "Hello, world!":
    print('H')
else:
    q_count = s.count('Q')
    other_commands = any(c in 'H9+' for c in s)
    if q_count == 1 and not other_commands:
        print(s)
    else:
        divisors = []
        for m in range(1, int(n**0.5) + 1):
            if n % m == 0:
                divisors.append(m)
                if m != n // m:
                    divisors.append(n // m)
        divisors.sort()
        found = False
        for m in divisors:
            if n % m != 0:
                continue
            k = n // m
            candidate = s[:k]
            if candidate * m != s:
                continue
            q_candidate = candidate.count('Q')
            if q_candidate != m:
                continue
            if any(c in 'H9+' for c in candidate):
                continue
            print(candidate)
            found = True
            break
        if not found:
            print(-1)