[Python : 백준 4949] 균형잡힌 세상
문제 https://www.acmicpc.net/problem/4949
문제 https://www.acmicpc.net/problem/4949
문제 https://www.acmicpc.net/problem/4673
문제 https://www.acmicpc.net/problem/1874
문제 https://www.acmicpc.net/problem/11729
문제 https://www.acmicpc.net/problem/10828