Professor and batteries#9406

Professor and batteries

1 second
128 megabytes
Very easy

There are some packs of batteries on the Professor's table. There are batteries in each pack. When the Professor took batteries from each pack, only batteries remained on the table.

How many packs of batteries were on the table?

Input

Three positive integers a, b, c.

Output

Print the number of packs with batteries on the table.

Examples

Example 1

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