[Python/BOJ]2010: 플러그

https://www.acmicpc.net/problem/2010

2010번: 플러그

[Code]

---

import sys

num = int(sys.stdin.readline())
sums=0
for i in range(num):
    a=int(sys.stdin.readline())
    sums=sums+a
    sums=sums-1

print(sums+1)