942 B | 933 chars
"""
[7218: Pasislėpę romėniški skaičiai](https://www.acmicpc.net/problem/7218)
Tier: Bronze 3
Category: 구현
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
sys.setrecursionlimit(10**7)
BLANK = " "
# inp = input
inp = lambda : sys.stdin.readline().rstrip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
n = ii()
s = inp()
d = [
["I", 1], ["II", 2], ["III", 3], ["IV", 4], ["V", 5],
["VI", 6], ["VII", 7], ["VIII", 8], ["IX", 9], ["X", 10],
["XI", 11], ["XII", 12]
]
ans = set()
for i in range(n):
for rom, num in d:
if s[i:i+len(rom)] == rom:
ans.add(num)
ans = sorted(list(ans))
p(*ans)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()