출처 : https://www.acmicpc.net/problem/1436
python
def function():
N = int(input())
movie_name = 666
movie_num = 1
while(1):
# 종료 조건
if N == movie_num:
print(movie_name)
break
movie_name += 1
movie_num = movie_num + 1 if "666" in str(movie_name) else movie_num
if __name__ == "__main__":
function()