BeginnerVariables2000 ms256 MB

Hours to Minutes

A student practiced for `h` full hours. Convert that time to minutes.

Statement

A student practiced for `h` full hours. Convert that time to minutes.

Input

One integer `h`, the number of hours.

Output

Print one integer: `h * 60`.

Constraints

  • `0 <= h <= 10000`

Examples

Example 1

Input

3

Output

180

Three hours is 3 * 60 = 180 minutes.

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