#include
using namespace std;
int main(){
int y=0;
int m=0;
int days[]={ 31,28,31,30,31,30,31,31,30,31,30,31};
while(scanf("%d %d", &y,&m)!=EOF) {
int day=days[m-1];
if((y%40&&y%100!=0)||(y%4000)){
if(m==2){
day++;
}
}
printf("%d\n",day);
}
return 0;
}