#include <iostream.h>
void main ()
{
int nilai;
cout << "masukan nilai test : " ;
cin >> nilai;
switch   (nilai/10)
{
case 10:
case 9:
case 8:
cout << 'A' << endl ; break;
case 7:
cout << 'B' << endl ; break;
case 6:
case 5:
cout << 'C' << endl ; break;
case 4:
case 3:
cout << 'D' << endl ; break;
case 2:
case 1:
case 0:
cout << 'E' << endl ; break;
default:
cout << "Salah, nilai di luar jangkauan." << endl;
}
}