#include<iostream> int main(){ int a,b,c; scanf("%d %d",&a,&b); switch(b){ case 1:c=31;break; case 2:c=28;break; case 3:c=31;break; case 4:c=30;break; case 5:c=31;break; case 6:c=30;break; case 7:c=31;break; case 8:c=31;break; case 9:c=30;break; case 10:c=31;break; case 11:c=30;break; case 12:c=31;break; default: ; } if(a%4==0){ if(a%100!=0||a%400==0) c=c+1; } printf("%d",c); return 0; }