Reden broj na meseci

#include <iostream>

int main()
{
    using std::cout;
    using std::cin;
    using std::endl;

    int m;

    cout<<"Reden broj na mesec:\t";
    cin>>m;

    switch (m)
    {
        case 1:
        case 3:
        case 5:
        case 7:
        case 8:
        case 10:
        case 12:
            cout<<"Mesecot so reden broj "<<m<<" ima 31 den.\n";
            break;
        case 4:
        case 6:
        case 9:
        case 11:
            cout<<"Mesecot so reden broj"<<m<<" ima 30 dena.\n";
            break;
        case 2:
            cout<<"Mesecot so reden broj "<<m<<" ima 28 dena.\n";
            break;
        default:
            cout<<"Takov reden broj ne postoi za meseci";
    }
    return 0;
}