// prefixes - translate a number into prefix !!!!!! DONE !!!!!!!

#include <iostream.h>
#include <fstream.h>
#include <math.h>

void main()
{
   ifstream in;
   in.open("will.in");
   ofstream out;
   out.open("will.out");

	out.precision(3);  // ?
   out.flags(ios::fixed | ios::showpoint);

	while (1)
	{
		int div = 1;
		float num;
		in >> num;

      cout << num << endl;

		if (num == 0) break;

		if (fabs(num) < 1) div = 0;

		int cnt = -1;
		while ( (!div && fabs(num) < 1) || (div && fabs(num) > 1) )
		{
			if (div)
			 num /= 10.0;
			else
			 num *= 10.0;
			cnt++;
		}

		// undo
		if (div) {num *= 10.0; cnt--;};

	 	if (cnt < 0)
		 out << num << endl;
		else
		 out << num << " x 10^" << (div ? "" : "-") << (cnt+1) << endl;


	}

   in.close();
   out.close();
}
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