#include <iostream>
using namespace std;
#include <math.h>

int main(){
	int thang, soNgay;
	string chuThang;
	cout<<"thang = "; cin>>thang;
	switch (thang){
		case 1:{
			chuThang = "Thang mot";
			soNgay = 31;
			break;
		}
		case 2:{
			chuThang = "Thang hai";
			soNgay = 28;
			break;
		}
		case 3:{
			chuThang = "Thang ba";
			soNgay = 30;
			break;
		}
		case 4:{
			chuThang = "Thang bon";
			soNgay = 31;
			break;
		}
		case 5:{
			chuThang = "Thang nam";
			soNgay = 30;
			break;
		}
		case 6:{
			chuThang = "Thang sau";
			soNgay = 31;
			break;
		}
		case 7:{
			chuThang = "Thang bay";
			soNgay = 30;
			break;
		}
		case 8:{
			chuThang = "Thang tam";
			soNgay = 31;
			break;
		}
		case 9:{
			chuThang = "Thang chin";
			soNgay = 31;
			break;
		}
		case 10:{
			chuThang = "Thang muoi";
			soNgay = 30;
			break;
		}
		case 11:{
			chuThang = "Thang muoi mot";
			soNgay = 31;
			break;
		}
		case 12:{
			chuThang = "Thang muoi hai";
			soNgay = 30;
			break;
		}
	}
	cout<<chuThang<<" co "<<soNgay;
	return 0;
}