#include<iostream>
#include<cmath>
using namespace std;
int main() {
    //#8#13WA,得分86
    int T;
    cin >> T;
    switch(T){
    case 1:cout << "I love Luogu!";break;
    case 2:cout << 2 + 4 << " " << 10 - 2 - 4;break;
    case 3:cout<<14/4<<endl<<12<<endl<<2;break;
    case 4:printf("%.3f",500.0/3);break;
    case 5:cout<<(260+220)/(20+12);break;
    case 6:cout<<sqrt(6*6+9*9);break;
    case 7:cout<<110<<endl<<90<<endl<<0<<endl;break;
    case 8:cout<<31.41593<<endl<<3.141593*25<<endl<<4/3*3.141593*125;break;
    case 9:cout<<(((1+1)*2+1)*2+1)*2;break;
    case 10:cout<<9;break;
    case 11:cout<<1.0*100/3;break;
    case 12:cout<<13<<endl<<'R';break;
    case 13:cout<<(int)(pow(4/3*3.141593*(4*4*4+10*10*10),1.0*1/3));break;
    case 14:cout<<50;break;
    }
    return 0;
}