#include <iostream>
using namespace std;
int endmatrix[3][3];

int main() 
{
  cout<< "Matrix 1:" <<endl;
  int a[3][3];
  for (int i = 0; i < 3; i++)
  {
    for (int j = 0; j < 3; j++)
    {
      cout << "Bitte das Matrixelement a" << i+1 << j+1 <<" eingeben: ";
      cin >> a[i][j];
    }

  }
  cout<< "Matrix 2:" <<endl;
  int b[3][3];
  for (int i = 0; i < 3; i++)
  {
    for (int j = 0; j < 3; j++)
    {
      cout << "Bitte das Matrixelement b" << i+1 << j+1 <<" eingeben: ";
      cin >> b[i][j];
    }
}
 cout<<"Endmatrix:"<<endl;
 for (int i=0; i< 3; i++)
 {
      for (int j=0; j< 3; j++)
      {
        erg[i][j] = 0;
        for (int k=0; k<3; k++)
          endmatrix[i][j]+= a[i][k]*b[k][j];
        cout<<"\t"<<endmatrix[i][j];
      }
      cout<<"\n"<<endl; 
  }

return 0;
}