#include <bits/stdc++.h> using namespace std; int main(){int A,B;if(!(cin>>A>>B))return 0;int d[]={0,31,28,31,30,31,30,31,31,30,31,30,31};if(B2&&(A%4000||(A%4==0&&A%100)))d[2]++;cout<<d[B]<<"\n";}