#include<stdio.h>
int main()
{
    int n,i;
    long long a[35],b[35];
    a[0]=1,b[0]=0,a[1]=3,b[1]=1,a[2]=11,b[2]=4;
    for(i=3;i<=34;i++)
    {
        a[i]=3*a[i-1]+2*b[i-1];
        b[i]=a[i-1]+b[i-1];
    }
    while(~scanf("%d",&n))
    {
        if(n==-1) break;
        printf("%lld, %lld\n",a[n],b[n]);
    }

    return 0;
}