```cpp
#include <iostream>
#include <cmath>
#include <cstring>
using namespace std;
struct str
{
	char x[10];
	int c;
	int m;
	int e;
	int s;
};
void Input(int n, str student[]);
int Is(str student[], int i, int j);
int main()
{
	int n,flag=0;
	str student[1001];
	cin >> n;
	Input(n, student);
	for (int i = 0; n > i; i++)
	{
		for (int j = i+1; n > j; j++)
		{
			if (Is(student,i,j))
			{
				if (flag == 1)
					cout << endl;
				cout << student[i].x << ' ' << student[j].x;
				flag = 1;
			}
		}
	}
	return 0;
}
void Input(int n, str student[])
{
	for (int i = 0; n > i; i++)
	{
		cin >> student[i].x >> student[i].c >> student[i].m >> student[i].e;
		student[i].s=  student[i].c +student[i].m +student[i].e;
	}
}
int Is(str student[],int i, int j)
{
	if (abs(student[i].c - student[j].c) <= 5 && abs(student[i].m - student[j].m) <= 5 && abs(student[i].e - student[j].e) <= 5 && abs(student[i].s - student[i].s) <= 10)
		return 1;
	return 0;
}

全WA,求助，SOS