Enter Matrix + Print Sum Raw

#include <iostream>

using namespace  std;

int main() {
    int sizeX;
    cout << "Enter sizeX: ";
    cin >> sizeX;

    int sizeY;
    cout << "Enter sizeY: ";
    cin >> sizeY;

    int ** arr = new int * [sizeY];

    for (int i = 0; sizeY > i; i++) {
        arr[i] = new int [sizeX];
        for (int j = 0; sizeX > j; j++) {
            cout << "Enter arr[" << i << "][" << j << "]: ";
            cin >> arr[i][j];
        }
    }

    cout << endl;

    for (int i = 0; sizeY > i; i++) {
        for (int j = 0; sizeX > j; j++) {
            cout << arr[i][j] << " ";
        }

        cout << endl;
    }

    cout << endl;

    for (int i = 0; sizeX > i; i++) {
        int sum = 0;

        for (int j = 0; sizeY > j; j++) {
            sum += arr[j][i];
        }

        cout << sum << endl;
    }

    return 0;
}