#include <bits/stdc++.h>
using namespace std;
int main()
{
	int a,b;
cin>> a>>b;
	if(b==1 || b==3||b==5||b==7||b==8||b==10||b==12){
		cout<<"31"<<endl;
	}else if(b==4||b==6||b==9||b==11){
		cout<<"30"<<endl;
		if(a%4==0 && a%100!=0||a%400==0){
			cout<<"29"<<endl;
		}
	}else{
	cout<<"28"<<endl;

		
	}
return 0;

}

/**************************************************************
	Problem: 2096
	User: mc002
	Language: C++
	Result: Wrong Answer
****************************************************************/