Grades

#include <iostream>

using namespace std;

int main()

{
    int grade;
    cout << "Enter your grade in\n";
    cin>>grade;


	if( grade >= 90 && grade <= 100)
	{
	cout<<" Advanced"<<endl;
	}

	else if( grade >= 85 && grade <= 89)
	{
	cout<<"Proficient"<<endl;
	}
	else if( grade >= 80 && grade <= 84)
	{
    cout<<"Approaching Proficiency"<<endl;
	}
	else if( grade >= 75 && grade <= 79)
	{
    cout<<"Developing"<<endl;
	}
	else if( grade >= 69 && grade <= 74)
	{
    cout<<"Beginner"<<endl;
	}
    else if( grade < 69)
	{
    cout<<"Fail"<<endl;
	}
	else
    {
        cout<<"Invalid input";
    }
}