// pgm9 -- if  else if
// print letter grade from number grade
// 9/14/16
#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
    double grade;
    cout << "Enter a grade: ";
    cin >> grade;
    // print A,B,C,D,F based upon the grade

    if (grade >= 90)
        cout << "grade is A." << endl;

    else if (grade >=80)
            cout << "grade is B." << endl;

    else if (grade >=70)
        cout << "grade is C." << endl;

    else if (grade >=60)
        cout << "grade is D." << endl;

    else
        cout << "grade is F." << endl;

    return 0;
}
/* LAB 5:
Ask the user to enter a number from 1 to 5.
If the user enters invalid input, exit from your program
with a message.

If the user enters a number from 1 to 5, print a different
message based on the number they entered.
For example:
if the user enters 1, its a win!
if the user enters 2, tell them play again.
if the user enters 3, they lose
etc.
*/