#include <stdio.h>

const int K = 5, N = 10;

int main(void)
{
	int a[K][N];
	for (int i = 0; i < K; i++)
		for (int j = 0; j < N; j++)
			scanf("%d", &a[i][j]);

	int min = a[0][0];
	for (int i = 0; i < K; i++)
		for (int j = 0; j < N; j++)
			if (a[i][j] < min)
				min = a[i][j];
	
	bool key[N];
	for (int i = 0; i < N; i++)
		key[i] = false;
	for (int i = 0; i < K; i++)
		for (int j = 0; j < N; j++)
			if (a[i][j] == min)
				key[j] = true;

	int count = 0;
	for (int i = 0; i < N; i++)
		if (key[i])
			count++;

	printf("%d\n", count);

	return 0;
}