////C++ Primer Plus -- Chapter 3--3
#include <iostream>
using namespace std;
const int sec_to_min=60;
const int min_to_deg=60;
int main ()
{
double degrees,minutes,seconds;
cout<<"Enter a latitude in degrees,minutes,and seconds:\n";
cout<<"First,enter the degrees:";
cin>>degrees;
cout<<"Next,enter the minutes of arc:";
cin>>minutes;
cout<<"Finally,enter the seconds of arc:";
cin>>seconds;
double total_deg=degrees+minutes/min_to_deg+seconds/(min_to_deg*sec_to_min);
cout<<degrees<<" degrees,"<<minutes<<" minutes,"<<seconds<<" seconds ="<<total_deg<<"degree\n";
return 0;
}