Problem2678--位数统计2

2678: 位数统计2

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 372  Solved: 225
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Description

输入2个整数a,b，求它们的乘积是几位数
a和b在10^9范围内

Sample Input Copy 

100 200

Sample Output Copy 

5

HINT

输入样例2
50000 50000
输出样例2
10

Source/Category

 
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