#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	switch(a){
		case 1:cout<<"I Love Luogu!"<<endl;
		case 2:cout<<2+4<<" "<<10-2-4<<endl;break;
		case 3:cout<<14/4<<endl<<14/4*4<<endl<<14-14/4*4<<endl;break;
		case 4:cout<<fixed<<setprecision(3)<<1.0*500/3<<endl;break;
		case 5:cout<<(260+220)/(12+20)<<endl;break;
		case 6:cout<<sqrt(6*6+9*9)<<endl;break;
		case 7:cout<<110<<endl<<90<<endl<<0<<endl;break;
		case 8:double r=5;break;
		const double PI=3.1415923;
		cout<<2*PI*r<<endl;
		cout<<PI*r*r<<endl;
		cout<<4.0/3*PI*pow(r,3)<<endl;
		case 9:cout<<(((1+1)*2+1)*2+1)*2<<endl;break;
		case 10:int n1=8,t1=30,n2=10,t2=6;break;
		int t3=10;
		double inc_rate=(1.0*n1*t1-n2*t2)/(t1-t2);
		double init_num=n2*t2-inc_rate*t2;
		double ans=(init_num+t3*inc_rate)/t3;
		cout<<ans;
		case 11:cout<<1.0*100/3<<endl;break;
		case 12:cout<<(int)('M'-'A')+1<<endl<<(char)(18+'A'-1);break;
		case 13:cout<<(int)(pow(4/3*pi*(4*4*4+10*10*10),1.0*1/3))<<endl;break;
		case 14:cout<<50<<endl;break;
	}
	return 0;
}