12. Месеци (ТОЧНО)

#include <iostream>

using namespace std;

int main()
{
    int m;
    cin>>m;
    if(1 <= m <= 12)
    {
        switch(m)
        {
        case 1:
            cout<<"31"<<endl;
        break;
        case 2:
            cout<<"28"<<endl;
        break;
        case 3:
            cout<<"31"<<endl;
        break;
        case 4:
            cout<<"30"<<endl;
        break;
        case 5:
            cout<<"31"<<endl;
        break;
        case 6:
            cout<<"30"<<endl;
        break;
        case 7:
            cout<<"31"<<endl;
        break;
        case 8:
            cout<<"31"<<endl;
        break;
        case 9:
            cout<<"30"<<endl;
        break;
        case 10:
            cout<<"31"<<endl;
        break;
        case 11:
            cout<<"30"<<endl;
        break;
        case 12:
            cout<<"31"<<endl;
        break;
        default:
            cout<<"Vnesovte pogresen reden broj"<<endl;
        }
    }
    return 0;
}