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EIDIGITAVG - TRUNG BÌNH CỘNG.

Viết chương trình nhập vào 1 số nguyên dương N (0 < N < 108). Tính trung bình cộng các chữ số trong số
nguyên dương
N.
Ví dụ: Input:
N = 3276564, Output: 4.714

Input

Input description...

Output

Output description...

Example

Input:
3276564

Output:
4.714

Added by:Ha Minh Ngoc
Date:2018-07-25
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
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