## 2079: Integer Inquiry

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## 题目描述

One of the first users of BIT's new supercomputer was Chip Diller.
He extended his exploration of powers of 3 to go from 0 to 333 and he explored taking various sums of those numbers.
"This supercomputer is great,'' remarked Chip.
"I only wish Timothy were here to see these results.''
(Chip moved to a new apartment, once one became available on the third floor of the Lemon Sky apartments on Third Street.)

## 输入

The input will consist of at most 100 lines of text, each of which contains a single VeryLongInteger. Each VeryLongInteger will be 100 or fewer characters in length, and will only contain digits (no VeryLongInteger will be negative).

The final input line will contain a single zero on a line by itself.

## 输出

Your program should output the sum of the VeryLongIntegers given in the input.

## 样例输入

02142365262
640923185904378532104
5824357832190450385904375987431254
0


## 样例输出

5824357832191091309090282508328620


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