HELP

#include<bits/stdc++.h>
using namespace std;
int main() {
    int T;
    cin >> T;
    const double pi = 3.141593;

    if (T == 1) {
        cout << "I love Luogu!";
    } 
    else if (T == 2) {
        cout <<"6 4";
    } 
    else if (T == 3) {
        cout <<"3"<<endl<<"12"<<endl<<'2';
    } 
    else if (T == 4) {
        cout<<"166.666667";
    } 
    else if (T == 5) {
        cout <<"15";
    } 
    else if (T == 6) {
        cout <<"10.82";
    } 
    else if (T == 7) {
        cout <<"110"<<endl<<"90"<<"0";
    } 
    else if (T == 8) {
cout<<"31.4159l"<<endl<<"78.53"<<"523.599";
    } 
    else if (T == 9) {
        cout <<"22";
    } 
    else if (T == 10) {
        cout <<'9';
    } 
    else if (T == 11) {
        cout <<"33.33";
    } 
    else if (T == 12) {
cout<<"13"<<endl<<"R";
    } 
    else if (T == 13) {
      cout<<"16";
    } 
    else if (T == 14) {
        cout << 50; 
    }
    return 0