//William Leeb
//Dalton School (7128)
//New York NY Senior Division 3


#include<stdlib.h>
#include<iostream.h>
#include<iomanip.h>
#include<conio.h>
#include<math.h>
#include<constream.h>



void main()
{

 char repeat;

 double array[5];

 double COST, ZONE;

 int n, Z1, Z2, COUNT;

 do
 {

  COST=0; //running total of cost
  ZONE=0; //additional cost per zone

  Z1=0;
  Z2=0;

  COUNT=0; //number of zones

  cout<<"ENTER DATA: ";

  n=1;

  while (n<=5)
  {
   cin>>array[n];
   n+=1;
  }

  //determining class of mail:

  //regular post card?
  if ((array[1]>=3.5)&&(array[1]<=4.25)&&(array[2]>=3.5)
     &&(array[2]<=6.0)&&(array[3]>=0.007)&&(array[3]<=0.016))
     {
      COST=0.2;
      ZONE=0.03;
     }

  //large post card?
  if ((array[1]>4.25)&&(array[1]<6.0)&&(array[2]>6.0)
     &&(array[2]<11.5)&&(array[3]>=0.007)&&(array[3]<=0.016))
     {
      COST=0.37;
      ZONE=0.03;
     }

  //envelope?
  if ((array[1]>=3.5)&&(array[1]<=6.125)&&(array[2]>=5.0)
     &&(array[2]<=11.5)&&(array[3]>0.016)&&(array[3]<0.25))
     {
      COST=0.37;
      ZONE=0.04;
     }

  //large envelope?
  if ((array[1]>6.125)&&(array[1]<24.0)&&(array[2]>=11.0)
     &&(array[2]<=18.0)&&(array[3]>=0.25)&&(array[3]<=0.5))
     {
      COST=0.60;
      ZONE=0.05;
     }

  //package?
  if (((array[1]>=24)||(array[2]>18)||(array[3]>0.5))
     &&(array[1]+(2*array[2])+(2*array[3])<=84))
     {
      COST=2.95;
      ZONE=0.25;
     }

  //large package?
  if ((array[1]+(2*array[2])+(2*array[3])>84)
     &&(array[1]+(2*array[2])+(2*array[3])<=130))
     {
      COST=3.95;
			ZONE=0.35;
		 }


	if (COST==0.0)
	{
	 cout<<"UNMAILABLE";
	}
	else
	{
	 //what zone is Z1?
	 if ((array[4]>=1)&&(array[1]<=6999))
	 {
		Z1=1;
	 }
	 if ((array[4]>=7000)&&(array[4]<=19999))
	 {
		Z1=2;
	 }
	 if ((array[4]>=20000)&&(array[4]<=35999))
	 {
		Z1=3;
	 }
	 if ((array[4]>=36000)&&(array[4]<=62999))
	 {
		Z1=4;
	 }
	 if ((array[4]>=63000)&&(array[4]<=84999))
	 {
		Z1=5;
	 }
	 if ((array[4]>=85000)&&(array[4]<=99999))
	 {
		Z1=6;
	 }

	 //what is Z2?
	 if ((array[5]>=1)&&(array[5]<=6999))
	 {
		Z2=1;
	 }
	 if ((array[5]>=7000)&&(array[5]<=19999))
	 {
		Z2=2;
	 }
	 if ((array[5]>=20000)&&(array[5]<=35999))
	 {
		Z2=3;
	 }
	 if ((array[5]>=36000)&&(array[5]<=62999))
	 {
		Z2=4;
	 }
	 if ((array[5]>=63000)&&(array[5]<=84999))
	 {
		Z2=5;
	 }
	 if ((array[5]>=85000)&&(array[5]<=99999))
	 {
		Z2=6;
	 }

	 COUNT=abs(Z1-Z2);

	 COST=COST+(COUNT*ZONE);

	 cout<<setiosflags(ios::fixed)<<setiosflags(ios::showpoint)
			 <<setprecision(2)<<COST;

	}

	cout<<endl<<"REPEAT? ";
  cin>>repeat;
 }
 while (repeat=='y');