#include <bits/stdc++.h>
#define range 65

using namespace std;

int main()
{
    bool table[2000]={0};
    int CNtable[66];
    
    for(int a=1; a<range; a++)
        for(int b=a+1; b<range; b++)
            for(int c=b+1; c<range; c++)
            {
                if(a*b+b*c+a*c<=2000)
                    table[a*b+b*c+a*c] = true;
            }
            
    int count = 1;
    for(int i=1; i<2000; i++)
    {
        if(table[i]==false)
        CNtable[count++] = i;
    }
    
    int n;
    while(cin >> n)
    {
        cout << CNtable[n] << endl;
    }
            
}