시간 제한 메모리 제한 제출 정답 맞은 사람 정답 비율
1 초 128 MB 1349 519 438 40.973%

## 문제

정수가 주어지면, 그 수의 정수 제곱근을 구하는 프로그램을 작성하시오.

## 입력

첫째 줄에 정수 n이 주어진다. (0<=n<2^63)

## 출력

첫째 줄에 q^2 >= n인 가장 작은 음이 아닌 정수 q를 출력한다.

## 예제 입력 1

122333444455555


## 예제 출력 1

11060446


## 힌트

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