908 B | 908 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
BLANK = " "
inp = input
# inp = lambda : sys.stdin.readline()[:-1].strip()
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 valid_rating(r):
if r <= 1600:
return 3
if r <= 1900:
return 2
return 1
def is_upper(division, rating):
if division == 1:
return False
if division == 2:
return rating > 1900
return rating > 1600
def solve():
rating = ii()
divisions = [*map(int, list(input()))]
v = valid_rating(rating)
if v in divisions:
p(v)
return
for division in divisions:
flag = is_upper(division, rating)
p(division, ("*" if flag else ""), sep="")
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()