#include<iostream>
#include<cmath>
using namespace std;
int t;
int main()
{
	cin>>t;
	if(t==1)
	{
	
		cout<<"I love Luogu!";
		
		}
	else if(t==2){
	
		cout<<"6 4";
	}
	else if(t==3){
	
		cout<<"3"<<endl;
		cout<<"12"<<endl;
		cout<<"2";
	}
	else if(t==4){
		cout<<"166.667";
	}
	else if(t==5){
	
		cout<<"15";
	}
	else if(t==6){
	
		cout<<sqrt(117);
	}
	else if(t==7){
	
		cout<<"110"<<endl;
		cout<<"90"<<endl;
		cout<<"0"<<endl;
	}
	else if(t==8)
	{
	
		cout<<3.141593*10<<endl;
		cout<<3.141593*25<<endl;
		cout<<3.141593*500/3<<endl;
	}
	else if(t==9){
		cout<<"21";
		
	}
	else if(t==10){
		cout<<"9";
	}
	else if(t==11){
		cout<<100/3;
	}
	else if(t==12){
		cout<<"13"<<endl;
		cout<<"r"<<endl;
	}
	else if(t==13){
		cout<<cbrt(4256*3.141593/3);
	}	
	else if(t==14){
		cout<<"50";
	}
	return 0;
}

不想再算了，搞了半天已经破防了...