`` #include<bits/stdc++.h> using namespace std; int main() { int y,m,d,day,sum=0; cin>>y>>m>>d; switch(m) { case 1:sum=0;break; case 2:sum=31;break; case 3:sum=59;break; case 4:sum=90;break; case 5:sum=120;break; case 6:sum=151;break; case 7:sum=181;break; case 8:sum=212;break; case 9:sum=243;break; case 10:sum=273;break; case 11:sum=304;break; case 12:sum=334;break; } sum+=d; if(y%4000||y%100!=0&&y%40) { if(m>2) sum+=1; } cout<<sum; return 0; }