#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<iostream>
#include<algorithm>
#define N 100
using namespace std;
int n,tot;
long long h[N];
int read()
{
    int x=0,f=1; char ch=getchar();
    while(ch<‘0‘||ch>‘9‘){if(ch==‘-‘)f=-1; ch=getchar();}
    while(ch>=‘0‘&&ch<=‘9‘){x=x*10+ch-‘0‘; ch=getchar();}
    return x*f;
}
int catelan()
{
    h[0]=1,h[1]=1;
    for(int i=2;i<=40;i++)
     for(int j=1;j<=i;j++)
      h[i]=h[j-1]*h[i-j]+h[i];
}
int main()
{
    catelan();
    while(1)
    {
        n=read();tot++;
        if(n==-1) break;
        printf("%d %d %I64d\n",tot,n,2*h[n]);
    }
    return 0;
}