2568. Sum of digit

单点时限: 2.0 sec

内存限制: 256 MB

Write a program which computes the digit number of sum of two integers $a$ and $b$.

输入格式

The first line of input gives the number of cases, $N(1 \leqslant N \leqslant 100)$. $N$ test cases follow.

Each test case consists of two integers $a$ and $b$ which are separeted by a space in a line. $(0 \leqslant a,b \leqslant 100000000)$.

输出格式

For each test case, print the number of digits of $a + b$.

样例

Input
3
5 7
1 99
1000 999
Output
2
3
4

1714 人解决,1944 人已尝试。

2148 份提交通过,共有 4025 份提交。

0.5 EMB 奖励。

创建: 11 年,6 月前.

修改: 2 年,1 月前.

最后提交: 4 天前.

来源: 2009 华东师范大学 研究生复试

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