#include <stdio.h>
#include <conio.h>
void main(void)
{
float yuzde = 0;
clrscr();
printf("\n Bir not girin (0-100): ");
scanf("%f",&yuzde);
fflush(stdin);
if( yuzde >= 85 && yuzde <= 100 )
printf("\n PEKIYI ");
else if( yuzde >= 75 && yuzde < 84 )
printf("\n IYI ");
else if( yuzde >= 55 && yuzde < 69 )
printf("\n ORTA");
else if( yuzde >= 45 && yuzde < 54 )
printf("\n GECER ");
else if( yuzde >= 0 && yuzde < 20 )
printf("\n KALDI");
else
printf("\n GECERSIZ NOT!...");
getch();
}