시간 제한메모리 제한제출정답맞힌 사람정답 비율
1 초 128 MB21821529143071.393%

문제

강민이는 동생 희주를 위해 수학 문제를 만들고 있다. 희주는 매일 연습하고 열심히 공부했지만, 아직도 더하기를 끝내지 못했다.

숫자를 더할 때, 오른쪽부터 왼쪽으로 가면서 숫자를 하나씩 더한다. 그런데 희주는 귀찮아서 "받아 올림"을 하지 않고 그냥 두 숫자의 합을 적어버린다.

예를 들면, 희주는 숫자 123과 2495를 아래와 같이 더한다.

       1  2  3 
 +  2  4  9  5 
----------------
    2  5 11  8

그래서 답을 적을 때 25118을 적는 것이었다.

만약 모든 숫자를 다 이렇게 더한다면 결과가 어떻게 나오는 지 프로그램으로 작성하시오.

입력

두 정수 A, B가 공백을 두고 주어진다. A와 B는 1과 1,000,000 사이의 정수이다.

출력

희주 방식대로 더한 결과를 출력한다.

예제 입력 1

512 444

예제 출력 1

956

예제 입력 2

123 2495

예제 출력 2

25118

예제 입력 3

99999 99999

예제 출력 3

1818181818
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