|  | 
      
        |  闰年题解 |  
        | #include<iostream> using namespace std;
 int s;
 int main()
 {
 freopen("p1032.in","r",stdin);
 freopen("p1032.out","w",stdout);
 cin>>s;
 if((s%100!=0)&&(s%4==0)||(s%400==0))
 cout<<"yes"<<endl;
 else
 cout<<"no"<<endl;
 fclose(stdin);
 fclose(stdout);
 return 0;
 }
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