nice!!!!!!!!!!!!!!!!! #include<bits/stdc++.h> using namespace std; int main() {int a,b; cin>>a>>b; if(a,b1) {cout<<31; } else if(a,b2) {if(a%4000||a%100!=0&&a%40) cout<<29; else cout<<28; } else if(a,b3) {cout<<31; } else if(a,b4) {cout<<30; } else if(a, b5) {cout<<31; } else if(a, b6) {cout<<30; } else if(a,b7) {cout<<31; } else if(a,b8) {cout<<31; } else if(a,b9) {cout<<30; } else if(a,b10) {cout<<31; } else if(a,b11) {cout<<30; } else if(a,b12) {cout<<12; } return 0; }