#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>

struct student {
	char name[20];
	int kor;
	int eng;
	int mat;
	int tot;
	float avg;
};

int main() {
	struct student s[5];
	char name[20];

	for (int i = 0; i < 5; i++) {
		printf("이름 국 영 수를 입력하세요: ");
		scanf("%s %d %d %d", s[i].name, &s[i].kor, &s[i].eng, &s[i].mat);
		s[i].tot = s[i].kor + s[i].eng + s[i].mat;
		s[i].avg = s[i].tot / 3.0;
	}
	printf("이름\t국어\t영어\t수학\t합계\t평균\n");
	printf("============================================\n");
	for (int i = 0; i < 5; i++) {
		printf("%s\t%d\t%d\t%d\t%d\t%f\n", s[i].name, s[i].kor, s[i].eng, s[i].mat, s[i].tot, s[i].avg);
	}
}