/**/




#include <stdio.h>

int main () {

	float A, B, C, D;
	float score;
//

	printf("Enter thresholds for A, B, C, D\nin that order, decreasing percentages > ");
	scanf("%f %f %f %f", &A, &B, &C, &D);
	

	printf("Thank you. Now enter student score (percent) >  ");
	scanf("%f", &score);	
	

	if (score >= A) { printf ("Student has an A grade");}
	else if (score < A && score >= B) { printf("Student has an B grade\n");}
	else if (score < B && score >= C) { printf("Studetn has an C grade\n");}
	else if (score < C && score >= D) { printf("Student has an D grade\n");}
	else { printf("Student has failed the course\n");}


//
//
//
//
//
//
//

	

	return (0);

}