#include<bits/stdc++.h>
using namespace std;
int a,b,m[12]={31,28,31,30,31,30,31,31,30,31,30,31};
int main(){
	cin>>a>>b;
	if((a%4==0&&a%100!=0)||a%400==0) m[1]++;
	cout<<m[b-1];
	return 0;
}