#include <iostream>
#include <cstdlib>
using namespace std;
int main()
{
  // All Variable Declared...
  int program_option;
  int year1;
  int year2;
  int year3;
  int year4;
  int studentsSum;

  cout << "Please Select The Program Options, In Which You Want To Enter Enrollments.\n";
  cout << "Please Enter Option 1 for BCS program.\n";
  cout << "Please Enter Option 2 for BIT program.\n";
  cout << "Please Enter Option 3 for BBA program.\n";
  cout << "Please Enter Option 4 for BA program.\n";
  cout << "===================\n";
  do {
    cout << "Please Enter Program Option: ";
    cin >> program_option;
    if(program_option > 4){
      cout << "THE PROGRAM NAME IS INVALID, PLEASE TRY AGAIN.\n";
      system("pause");
    }
  } while(program_option > 4);

  cout << "Please enter number of students in Year 1: ";
  cin >> year1;

  cout << "Please enter number of students in Year 2: ";
  cin >> year2;

  cout << "Please enter number of students in Year 3: ";
  cin >> year3;

  cout << "Please enter number of students in Year 4: ";
  cin >> year4;
  cout << "\n\n";
  if(program_option == 1){
      cout << "==============DEPARTMENT OF COMPUTER SCIENCE==============\n";
  } else if(program_option == 2){
      cout << "==============DEPARTMENT OF COMPUTER SCIENCE==============\n";
  } else if(program_option == 3) {
      cout << "==============DEPRTAMENT OF BUSINESS ADMINISTRATION==============\n";
  } else {
      cout << "==============DEPARTMENT OF FINE ARTS==============\n";
  }
  cout << "\n";

  cout << "The number of students in year 1 is: ";
  cout << year1;
  cout << "\n";

  cout << "The number of students in year 2 is: ";
  cout << year2;
  cout << "\n";

  cout << "The number of students in year 3 is: ";
  cout << year3;
  cout << "\n";

  cout << "The number of students in year 4 is: ";
  cout << year4;
  cout << "\n\n";

  studentsSum = year1 + year2 + year3 + year4;

  cout << "The percentage of students in year 1 is: ";
  double percentage = (double)year1 / studentsSum * 100;
  cout << percentage; cout << "%\n";

  cout << "The percentage of students in year 2 is: ";
  percentage = (double)year2 / studentsSum * 100;
  cout << percentage; cout << "%\n";

  cout << "The percentage of students in year 3 is: ";
  percentage = (double)year3 / studentsSum * 100;
  cout << percentage; cout << "%\n";

  cout << "The percentage of students in year 4 is: ";
  percentage = (double)year4 / studentsSum * 100;
  cout << percentage; cout << "%\n";

  cout << "The total number of students in the program is: ";
  cout << studentsSum;
  cout << "\n";

  if(studentsSum > 100){
    cout << "The number of students enrolled in that year is over the limit.";
  }
}