Matrix multiplication

//  Matrix multiplication
//  Date : 19.10.19
#include<iostream>
using namespace std;

int main(){
    cout << "Enter the row: ";
    int n; cin >> n;
    cout << "Enter the column: ";
    int m; cin >> m;
    int a[n][m], b[n][m], c[n][m];
    cout << "Enter the elements of first matrix: ";
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cin >> a[i][j];
        }
    }
    cout << "Enter the elements of second matrix: ";
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cin >> b[i][j];
        }
    }

    //  Multiplication of 1st and 2nd matrix
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
                c[i][j] = 0;
            for(int k = 0; k < n; k++){
                c[i][j] += (a[i][k] * b[k][j]);
            }
        }
    }

    //  Output the matrix
    cout << "The first matrix is: " << endl;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cout << a[i][j] << "\t";
        }
        cout << endl;
    }
    cout << "The second matrix is: " << endl;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cout << b[i][j] << "\t";
        }
        cout << endl;
    }
    cout << "The multiplied matrix is: " << endl;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cout << c[i][j] << "\t";
        }
        cout << endl;
    }
}