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Decimal Prefix Converter

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What is decimal prefix?

Decimal Prefix (also called: Metric Prefix) is a unit prefix used in the metric system that precedes a basic unit of measure to indicate a decimal multiple or a fraction of that unit.

Input

Exa is a decimal unit prefix in the metric system denoting multiplication by one quintillion (10¹⁸).

Output

Atto is a decimal unit prefix in the metric system denoting division by one quintillion (10¹⁸).