#include <stdio.h>

int main()
{
	int score;

	printf("\n Please enter a numeric score : ");
	scanf_s("%d", &score);

	if (score >= 90)
	{
		printf("\n Your grade is an A.");
	}
	else if (score >= 80)
	{
		printf("\n Your grade is a B.");
	}
	else if (score >= 70)
	{
		printf("\n Your grade is a C.");
	}
	else if (score >= 60)
	{
		printf("\n Your grade is a D.");
	}
	else
	{
		printf("\n Your grade is an F.");
	}
	
	getchar();
	getchar();

	return 0;
}