#include <stdlib.h>
int main()
{
char grade;
puts("enter the grade (A, B, C, D, E): ");
scanf("%c", &grade);
switch(grade)
{
case 'a': case 'A':
printf("the grade is A\n");
break;
case 'b': case 'B':
printf("the grade is B\n");
break;
case 'c': case 'C':
printf("the grade is C\n");
break;
case 'd': case 'D':
printf("the grade is D\n");
break;
case 'e': case 'E':
printf("the grade is E\n");
break;
default:
printf("no classification\n");
}
system("pause");
return 0;
}