Program Menentukan Predikat Nilai Ujian

# include <stdio.h>
int main ()
{
int nilai;
printf("Input Nilai\t:");
scanf("%i",& nilai);
if(nilai>=80 && nilai <=100)
{
printf("Grade nilai\t: Sangat Baik");
}
else if (nilai>= 70 && nilai<=79)
{
printf("Grade nilai\t: Baik");
}
else if (nilai>=60 && nilai <=69)
{
printf("Grade nilai\t:Cukup");
}
else if (nilai >=50 && nilai <=59)
{
printf("Grade nilai\t: Kurang");
}
else
{
printf("Grade nilai\t: Gagal");
}
return 0;

}