#
# µû¶óÇÏ¸ç ¹è¿ì´Â ÆÄÀ̽ã°ú µ¥ÀÌÅͰúÇÐ(»ý´ÉÃâÆÇ»ç 2020)
# 9.11 Á¤±Ô½Ä¿¡¼ ƯÁ¤ ¹®ÀÚ¸¦ ´ëüÇÏ´Â ÇÔ¼ö : sub(), 242ÂÊ
#
import re
s = 'My lucky number 2 7 99'
def hash_by_mult_and_modulo(m):
n = int(m.group()) # ¸ÅĪµÈ ¹®ÀÚ¿À» °¡Á®¿Í¼ Á¤¼ö·Î º¯È¯
return str(n * 23435 % 973) # ¼ýÀÚ¿¡ ÇØ½ÃÇÔ¼ö¸¦ Àû¿ëÇÏ°í ¹®ÀÚ¿·Î ¸¸µé¾î ¹Ýȯ
print(re.sub('[0-9]+', hash_by_mult_and_modulo, s))