#include <bits/stdc++.h> using namespace std; int a[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; int main() { int y,m,flag=0; cin>>y>>m; if(y%100!=0&&y%40||y%4000){ flag=1; } if(flag && m==2)cout<<a[m]+1; else cout<<a[m]; return 0; }