#include <stdio.h>

int main()
{
	FILE *inp,*out;

	int status,r=0,c=0,stu_id,size;
	double quiz[50][5],sum_stu=0,sum_quiz = 0;

	inp = fopen("grades.txt","r");

	if(inp == NULL) printf("YUUH");

	else{
		out = fopen("average.txt","w");

		status = fscanf(inp,"%d",&stu_id);

		while(status != EOF)
		{
			for(c =0; c<5; c++)
			{
				fscanf(inp,"%lf",&quiz[r][c]);
				sum_stu += quiz[r][c];

			}//for
			fprintf(out,"%d %.1f\n",stu_id, sum_stu/5);
			r++;

			status = fscanf(inp,"%d",&stu_id);
		}//while

		size = r;

		printf("Quiz Number	Average\n");
		for(c = 0; c<5; c++){
			for(r = 0; r<size; r++){
				sum_quiz += quiz[r][c];
			}
			printf("%d	%.2f\n", c+1, sum_quiz/size);

		}//for



	}//else

	fclose(inp);
	fclose(out);
	return(0);
}