#include<bits/stdc++.h>
using namespace std;
double p = 3.141593;
int main(){
int num;
cin>>num;
switch (num){
	case 1:
		cout<<"I love Luogu!";
		break;
	case 2:
		cout <<6<< " " <<4;
		break;
	case 3:
	    cout<<3<<endl<<12<<endl<<2;
	    break;
	case 4:
	    printf("166.667");
	    break;
	case 5:
	    cout<<(260+220)/(20+12);
	    break;
	case 6:
		cout<<sqrt(6*6+9*9);
		break;
	case 7:
		printf("110\n90\n0");
		break;
	case 8:
		cout<<cout <<p*10 << endl;
		cout << p*25<< endl;
		cout << 4 *p*125/3.0;
		break;
	case 9:
		cout<<22;
		break;
	case 10:
		cout<<9;
		break;
	case 11:
		printf("%f",100/3.0);
		break;
	case 12:
		printf("13\nR");
		break;
	case 13:
        cout<<(int)pow((4/3*3.141593*4*4*4+4/3*3.141593*10*10*10),3);
		break;
	case 14:
    	cout<<50;
        break;
        }
    return 0;
}