#include <iostream>
#include <iomanip>
#include <cstdio>
#include <string>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <utility>
#include <locale>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>
#include <list>
#include <set>
#include <climits>
#include <cfloat>
#define PI acos(0.0) * 2.0
using namespace std;
int ansFunc(int x)
{ return 111*x*x + 11*x + 1; }
int main() // Problem A. Ancient symbol
{
int input;
scanf("%d", &input);
printf("%d\n", ansFunc(input));
return 0;
}
