#include"stdio.h"
main()
{
	char name [50];
	char number [50];
	int score,midscore,final,sumscore;
	printf("enter your name:");
	scanf("%s",&name);
	printf("enter your number:");
	scanf("%s",&number);
	printf("enter your score:");
	scanf("%d",&score);
	printf("enter your midscore: ");
	scanf("%d",&midscore);
	printf("enter your final: ");
	scanf("%d",&final);
	sumscore=score+midscore+final;
	if (sumscore>=80)
	{
		printf("name: %s number: %s\n ",name,number);
		printf("sumscore %d grade A ",sumscore);
    }
    else if (sumscore>=70)
	{
		printf("name: %s number: %s \n",name,number);
		printf("sumscore: %d grade B",sumscore);
	}	
	else if (sumscore>=60)
	{
		printf("name: %s number: %s \n",name,number);
		printf("sumscore: %d grade C",sumscore);
	}
	else if (sumscore>=50)
	{
		printf("name: %s number: %s\n ",name,number);
		printf("sumscore: %d grade D",sumscore);
	}
	else 
	{
		printf("name: %s number: %s \n",name,number);
		printf("sumscore: %d grade F",sumscore);
	}
}