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1 초 128 MB274179175675532.545%

문제

2와 5로 나누어 떨어지지 않는 정수 n(1 ≤ n ≤ 10000)가 주어졌을 때, 각 자릿수가 모두 1로만 이루어진 n의 배수를 찾는 프로그램을 작성하시오.

입력

입력은 여러 개의 테스트 케이스로 이루어져 있다. 각 테스트 케이스는 한 줄로 이루어져 있고, n이 주어진다.

출력

각 자릿수가 모두 1로만 이루어진 n의 배수 중 가장 작은 수의 자리수를 출력한다.

예제 입력 1

3
7
9901

예제 출력 1

3
6
12
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출처

Contest > Waterloo's local Programming Contests > 2 June, 2001 E번

  • 문제를 번역한 사람: baekjoon
  • 데이터를 추가한 사람: joonas
  • 문제의 오타를 찾은 사람: waylight3