#include <iostream>
#include <string>
#define SIZE 8
using namespace std;

//here you go, faggot

int main() {

int i;
string units[] = { "in","ft","yd","mi","mm","cm","m","km" };
double convert[] = { 25.4, 30.48, 0.9144, 1.60934, 0.0393701, 0.0328084, 1.09361, 0.621371 };
string convertto[] = { "mm","cm","m","km","in","ft","yd","mi" };
bool found = false;
double distance = 0.0;
string unit;

//Title
cout << "Distance Converter" << endl;
cout << "Units recognized: in, ft, yd, mi, mm, cm, m, km" << endl;

//Get number and unit from user
cout << "Enter distance: ";
cin >> distance;
cout << endl << "Enter measurement unit: ";
cin >> unit;

for (i=0; i<SIZE; i++)
{
if (unit == units[i])
	 {
	 found = true;
	 cout << distance << unit << " = " << (distance * convert[i]) << convertto[i] << endl;
	 return 0;
	 }
}

cout << "Error . Please try again ." << endl;
return 1;
}