#include <stdio.h>
char grades(int n)
{
switch(n/10)
{
case 9:return 'A';
case 8:return 'B';
case 7:return 'C';
case 6:return 'D';
default:return 'E';
}
}
int main()
{
char c;
int n;
scanf("%d",&n);
c=grades(n);
printf("%c",c);
system("pause");
return 0;
}[mw_shl_code=c,true][/mw_shl_code] |