#include <iostream>
using namespace std;
int main()
{
    // Variables
    int a[100], length = 0, number = 0, currCount = 1, tempCount = 1;

	// Input Array
	while(cin >> a[length]) length++;

    // Find Solution
	for (int i = 0; i < length - 1; i++)
	{
		if (a[i] == a[i + 1]) tempCount++;
		else tempCount = 1;
		if (tempCount > currCount)
		{
			currCount = tempCount;
			number = a[i];
		}
	}

	// Print
	cout << currCount << endl;
    return 0;
}