# data[].attributes.attachment_link.readable_text
#include <bits/stdc++.h>
using namespace std;
int main(){
	freopen("tamgiac.inp","r",stdin);
	freopen("tamgiac.out","w",stdout);
	double a,b,c;
	cin>>a>>b>>c;
	double s=(a+b+c)/2.0;
	if(a+b>c&&a+c>b&&b+c>a){
		cout<<"Yes"<<endl;
		cout<<setprecision(2)<<fixed<<a+b+c<<endl;
		cout<<setprecision(2)<<fixed<<sqrt(s*(s-a)*(s-b)*(s-c));
	}
	else{
		cout<<"No";
	}
}

# data[].attributes.attachment_link.readable_text
#include <bits/stdc++.h>
using namespace std;
int main(){
	freopen("chiahet.inp","r",stdin);
	freopen("chiahet.out","w",stdout);
	int x,y;
	cin>>x>>y;
	int v=0;
	for(int i=x;i<=y;++i){
		if(i%6==0)
			v++;
	}
	cout<<v<<endl;
	for(int i=x;i<=y;++i){
		if(i%6==0)
			cout<<i<<" ";
	}
}

# data[].attributes.attachment_link.readable_text
#include <bits/stdc++.h>
using namespace std;
int b[256]={0};
int main(){
	freopen("demkitu.inp","r",stdin);
	freopen("demkitu.out","w",stdout);
	string v;
	while(getline(cin,v)){
		for(int i=0;i<v.size();++i){
			char k=v[i];
			if(!isspace(k))
				b[tolower(k)]++;
		}
	}
	for(int i=0;i<256;++i)
		if(b[i]>0)
			cout<<char(i)<<b[i]<<endl;
	return 0;
}

# data[].attributes.attachment_link.readable_text
#include <bits/stdc++.h>
using namespace std;
int a[1000001];
bool scp(int n){
	int x=sqrt(n);
	if(x*x==n)
		return true;
	else
		return false;
}
int main(){
	freopen("demsocp.inp","r",stdin);
	freopen("demsocp.out","w",stdout);
	int n;
	cin>>n;
	int v=0;
	for(int i=0;i<n;++i){
		cin>>a[i];
		if(scp(a[i]))
			v++;
	}
cout<<v<<endl;
	for(int i=0;i<n;++i){
		if(scp(a[i]))
			cout<<a[i]<<" ";
	}
}

# data[].attributes.body
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