#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
int m, n;
cin >> m >> n; //m行n列
int arr1[100][100] = { {0} };
int arr2[100][100] = { {0} };
int count=0;
double sameforce;
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
cin >> arr1[i][j];
}
}
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
cin >> arr2[i][j];
}
}
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
if (arr1[i][j] == arr2[i][j])
{
count++;
}
}
}
sameforce = (100.0 * count) / (m * n);
cout <<fixed<<setprecision(2)<< sameforce << endl;
}
#include <iomanip>
using namespace std;
int main()
{
int m, n;
cin >> m >> n; //m行n列
int arr1[100][100] = { {0} };
int arr2[100][100] = { {0} };
int count=0;
double sameforce;
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
cin >> arr1[i][j];
}
}
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
cin >> arr2[i][j];
}
}
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
if (arr1[i][j] == arr2[i][j])
{
count++;
}
}
}
sameforce = (100.0 * count) / (m * n);
cout <<fixed<<setprecision(2)<< sameforce << endl;
}