#include <stdio.h>
#include <conio.h>
char name[30];
float score;
float mid;
float final;
main()
{
	printf("------program by yupharet------");
	printf("\ninput Name : ");
	scanf("%s",&name);
	printf("\ninput score : ");
	scanf("%f",&score);
	printf("\ninput mid: ");
	scanf("%f",&mid);
	printf("\ninput final: ");
	scanf("%f",&final);
	score = score+mid+final;
	    printf("\nscore total %.2f\n",score);
	if(score <50)
	    printf("grade you %s grade 0",name);
	else if(score <60)
	    printf("grade you %s grade 1",name);
	else if(score <70)
	    printf("grade you %s grade 2",name);
	else if(score <80)
	    printf("grade you %s grade 3",name);
	else
	    printf("grade you %s grade 4",name);
}