#include <stdio.h>
#include <limits.h>
#include <float.h>
#include <string.h>
#include <math.h>

#define MAX(x, y) (((x) > (y)) ? (x) : (y))
#define MIN(x, y) (((x) < (y)) ? (x) : (y))

typedef double SampleType;
void Normalize(SampleType vMin, SampleType vMax)
{

	SampleType MAXRANGE = MAX(fabs(vMin),fabs(vMax));

	SampleType x, max=0,scale = MAXRANGE;
	int flag =0;
	while(scanf("%lf", &x)>0)
	{
		if(x == FLT_MIN || x == FLT_MAX)
		{
			int dummy;
			dummy=0;
		}
		else
		{
	    if (x < 0)
		{
			x = -x;
		    flag =1;
		}
		if (x > max)
			max = x;
	    if(flag == 1)
		{
		 x = -x;
		 flag = 0;
		}
		}
	}
fseek(stdin, 0, SEEK_SET); 
	max = scale/max;


	while(scanf("%lf", &x)>0)
	{
		if(x != FLT_MIN && x != FLT_MAX)
		{
		x = x * max;
		printf("%lf\n",  x);
		}
	}
}

void help(const char *sProgName)
{
printf( "Usage:\n%s %s ", _strupr((char *)sProgName) ," [-A<Max(1.)>] [-B<Min(-1.)>]\n");
}

int main(int argc,char **argv)
{
float vMax=1.0,vMin=-1.0;
int i;
for (i =1; i < argc; i++)
{
if (('-' == argv[i][0]) || ('/' == argv[i][0]))
{ 
char cp;
cp = argv[i][1];
switch(cp)
{
case 'A':
vMax = atof(&argv[i][2]);
break;
case 'B':
vMin = atof(&argv[i][2]);
break;
case '?':
case 'h':
{help(argv[0]);return 1;}
default:
{help(argv[0]);return -1;}
}
}
else
{help(argv[0]);return -1;}
}

 Normalize(vMin,vMax);
 return 0;
}