#pragma warning(disable:4786) #pragma warning(disable:4996) #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define MEM(a, b) memset(a, (b), sizeof(a)) #define CLR(a) memset(a, 0, sizeof(a)) #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define ABS(X) ( (X) > 0 ? (X) : ( -(X) ) ) #define S(X) ( (X) * (X) ) #define SZ(V) (int )V.size() #define FORN(i, n) for(i = 0; i < n; i++) #define FORAB(i, a, b) for(i = a; i <= b; i++) #define ALL(V) V.begin(), V.end() #define IN(A, B, C) ((B) <= (A) && (A) <= (C)) typedef pair PII; typedef pair PDD; typedef vector VI; typedef vector VP; #define AIN(A, B, C) assert(IN(A, B, C)) //typedef int LL; typedef long long int LL; //typedef __int64 LL; LL MOD = 1000000009; LL fact[1100000]; LL bigmod(LL a, LL b) { if(b == 0) return 1; LL x = bigmod(a, b / 2); x = (x * x) % MOD; if(b & 1) x = (x * a) % MOD; return x; } int main() { LL ans; int k, n, i; scanf("%d", &k); n = 1<