#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 4",sumscore);
	}
	else if (sumscore>=70)
    {
    	printf("name: %s number: %s\n ",name,bumber);
		printf("sumscore %d grade 3",sumscore);
    }
    else if (sumscore>=60)
    {
    	printf("name: %s number: %s\n",name,number);
		printf("sumscore %d grade 2",sumscore);
    }
    else if (sumscore>=50)
    {
    	printf("name: %s number: %s\n",name,number);
		printf("sumscore %d grade 1",sumscore);
    }
    else
    {
    	printf("name: %s number: %s\n",school,plan);
		printf("sumscore %d grade 0",sumscore);	
    }
}