/*Title : C Example 3 */
/*Author : John Walsh */
/*Date  : 24 April 2000 */

#include <stdio.h>

int main(void)
{
int mark;

mark = 0;

printf ("Please enter pupil's mark ? ");
scanf("%d",&mark);

if (mark >= 80)
printf ("Grade 1");
else
if (mark >=60)
printf ("Grade 2");
else
if (mark >=40)
printf ("Grade 3");
else
if (mark >=20)
printf ("Grade 4");
else
if (mark >=10)
printf ("Grade 5");
else
printf ("Grade 6");

return 0;
}