#include <iostream>
using namespace std;
int main(void)
{
char grade;
cout << "Enter your grade: ";
cin >> grade;
switch (grade)
{
case 'a':case 'A':
cout << "Your average must be between 90 - 100"
<< endl;
break;
case 'b':
case 'B':
cout << "Your average must be between 80 - 89"
<< endl;
break;
case 'c':
case 'C':
cout << "Your average must be between 70 - 79"
<< endl;
break;
case 'd':
case 'D':
cout << "Your average must be between 60 - 69"
<< endl;
break;
default:
cout << "Your average must be below 60" << endl;
}
return 0;
}
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