TASK

Problem

#25

Given non-negative integer `n`, print the number of complete tens.

EXAMPLE

Example

Input

347

Output

34

LIMITS

Constraints

All numeric input values fit in JavaScript `Number`.

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LEARN Theory for this problem

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### Number of Tens

Integer division separates higher decimal/time units, while `%` returns the remainder. These two operations let a program isolate digits or split a total number of seconds/minutes into components.

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NEED HELP? Hints

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['Decide which part comes from division and which part comes from the remainder.', 'After each iteration, it should be clear what has already been accumulated and what remains to be processed.']

✓

ANSWER Solution

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const fs = require('fs');
const input = fs.readFileSync(0, 'utf8').trimEnd();
let n = Number(input);
let result = Math.floor((n) / (10));
console.log(result);