为啥还是全WA

#include<stdio.h>
struct student
{
	int a;
	int b;
	int c;
};
int main()
{
	int i,n,sum1,sum2;
	struct student stu[1001];
	scanf("%d",&n);
	for(i=0;i<n;i++)
	{
		sum1=0;
		sum2=0;
		scanf("%d %d %d",&stu[i].a,&stu[i].b,&stu[i].c);
		sum1=stu[i].b+stu[i].c;
		sum2=stu[i].b*7+stu[i].c*3;
		if(sum1>140&&sum2>=800)
			printf("Excellent");
		else
			printf("Not excellent");
	}
	return 0;
}