#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	if(a==1){
		cout<<"I love Luogu!";
	}else if(a==2){
		cout<<2+4<<" "<<10-2-4;
	}else if(a==3){
		cout<<14/4<<endl<<14/4*4<<endl<<"2";
	}else if(a==4){
		double b;
		b=500.0/3;
		printf("%.3lf",b);
	}else if(a==5){
		cout<<(260+220)/(12+20);
	}else if(a==6){
		cout<<sqrt(6*6+9*9);
	}else if(a==7){
		cout<<100+10<<endl<<100+10-20<<endl<<"0";
	}else if(a==8){
		cout<<2*5*3.141593<<endl<<5*5*3.141593<<endl<<5*5*5*3.141593*4/3*a;
	}else if(a==9){
		cout<<"22";
	}else if(a==10){
		cout<<"9";
	}else if(a==11){
		cout<<1.0*100/3;
	}else if(a==12){
		cout<<"13"<<"R";
	}else if(a==13){
	int r1=4,r2=10;
		double pi=3.141593;
		double v=4.0/3*pi*r1*r1*r1+4.0/3*pi*r2*r2*r2;
		v=pow(v,1.0/3);
		printf("%.0lf\n",v);
	}else if(a=14){
		cout<<"50";
	}
	return 0;
}