#include<bits/stdc++.h>
using namespace std;
int main(){
    for(int i=1; i<=1; i++){
        cout << "Hello xinoj";
        cout << endl;
        cout << "I AK IOI.";
    }
    return 0;//A1
}

#include<bits/stdc++.h> 
using namespace std;
int main(){
	int a;
	cin>>a;
	int b;
	cin>>b;
	cout<<a+b;	
	return 0;	//A2
}

#include<bits/stdc++.h>
using namespace std;
int main() {
    int n;
    cin >> n;
    double q=n*n*3.1415926,w=n*2*3.1415926;
    cout << fixed << setprecision(2) << q;
    cout << '\n';
    cout << fixed << setprecision(2) << w;
    cout <<'\n';
    return 0;//A3
}

#include<bits/stdc++.h>
using namespace std;
int main() {
    int n; cin >> n;
    if(n>=100&&n<=999) cout << n/100+n/10%10+n%10 << '\n';
    else cout << "NO SOLUTION!" << '\n';
    return 0;//A4
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c;
	cin>>a>>b>>c;
	if(a<=100&&b<=100&&c<=100) {cout<<a*0.2+b*0.3+c*0.5;
	}
	return 0;//A5
}

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b;
    cin>>a>>b;
    if(b==0){cout<<"NO SOLUTION!";}else{cout<<a/b<<" "<<a%b;};
    return 0;//A6
}

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c;
    cin>>a>>b>>c;
    if(a>b){swap(a,b);}
	if(b>c){swap(b,c); }
	if(a>b)swap(a,b);
	if(a+b <=c)cout<<"no"; 
	else{
	    if(a*a+b*b==c*c)cout<<"zhijiao";
	    else if(a*a+b*b<c*c)cout<<"dunjiao";
	    else cout<<"ruijiao";
	}
     
	return 0;//A7
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	if(a%2==0)    cout<<"y e s";
	else cout<<"n o";
	return 0; //A8
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	double a;
	cin>>a;
	if(a<1.3)    cout<<"60";
	else cout<<"120";
	return 0;//A9
}

#include<bits/stdc++.h>
using namespace std;
int main() {
    int a,b,c;
    cin >> a >> b >> c;
    a=max(a,b);
    a=max(a,c);
    cout << a << '\n';
    return 0;
}//A10

#include<bits/stdc++.h>
using namespace std;
void ce_shi(int a, int b, int c, bool &d){ 
    if(a>b) swap(a,b);
    if(b>c) swap(b,c);
    if(a>b) swap(a,b);
    if(a+b<=c) d=0;
    return;
}
int main() {
    int a,b,c;
    bool d=1;
    cin >> a >> b >> c;
    ce_shi(a,b,c,d);
    if(d==0) cout << "No";
    else cout << "Yes";
    return 0;//A11
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a; 
if(a>0&&a<10){
	if(a==1)    cout<<"one";
	else{if(a==2)    cout<<"two";
		else{if(a==3)    cout<<"three";
		    else{if(a==4)    cout<<"four";
		        else{if(a==5)    cout<<"five";
		            else{if(a==6)    cout<<"six";
	                    else{if(a==7)    cout<<"seven";
		                    else{if(a==8)    cout<<"eight";
		                        else cout<<"nine";
							}
						}
				    
					}
				}
			}
		}
	}	
} 
	else cout<<"out";
	return 0;
}//A12

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	if(a%4==0&&a%100!=0)    cout<<"yes";
	else if(a%400==0)    cout<<"yes";
	else cout<<"no";
	return 0;
}//A13

#include<bits/stdc++.h>
using namespace std;
int main() {
	int x, a,b,c;
	cin>>x;
	a = x%10;
	b = x/10 %10; 
	c = x/100;
	int mx = max({a,b,c});
	int mi = min({a,b,c});
	cout<< mx - mi;
	return 0;
} //A14

#include<bits/stdc++.h>
using namespace std;
int main() {
	double n;
	cin>>n;
	if(n<=10)    cout<<"2.50";
	else cout<<fixed<<setprecision(2)<<(n-10)*1.5+2.5;
	return 0;
} //A15

#include<bits/stdc++.h>
using namespace std;
int main() {
	int n;
	cin>>n;
	if(n<1&&n>1000)    return 0;
	else cout<<(1+n)*n/2;
	return 0;
} //A16

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,s=0;
	cin >> n;
	for(int j=1; j<=n; j=j+2){
	    	s=s+j;
	    }
    cout<<s;
    return 0;
}//A17

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int x=2; x<n; x++){
        if(n%x==0){
            cout<<x;
            return 0;
        }
    }
    cout<<"Yes";
    return 0;
}//A18

#include<bits/stdc++.h>
using namespace std;
int main() {
    int n;
    cin >> n;
    for(int i=1; i<=n; i++){
        for(int j=1; j<=i; j++){
            cout << "*";
        }
        cout << '\n';
    }
}//A19

#include<bits/stdc++.h>
using namespace std;
int main() {
	int n;	cin >> n;
	int x=n, y = 1;
	for(int i=1; i<=n; i++) {
		for(int j=1; j<=x; j++) {
			cout<<" "; 
		}	
		for(int j=1; j<=y; j++){
			cout<<"*";
		}	
		cout<<endl;
		x = x-1;
		y = y+2;
	}
	for(int i=1; i<=2*n+1; i++) {
		cout<<"*";
	}	
	cout<<endl;
	for(int i=1; i<=n; i++) {
		x = x+1;
		y = y-2;
		for(int j=1; j<=x; j++) {
			cout<<" "; 
		}	
		for(int j=1; j<=y; j++){
			cout<<"*";
		}	
		cout<<endl;
	}
	return 0;
}//A20