#include #include #include typedef long long ll; typedef unsigned long long ull; #define REP(i,a,b) for(ll (i)=a;(i)<(ll)(b);++(i)) #define rep(i,n) REP(i,0,n) using namespace std; const ull cycle_per_sec = 2800000000; ull begin_cycle; ull get_cycle(){ unsigned int low, high; __asm__ volatile ("rdtsc" : "=a" (low), "=d" (high)); return ((ull) low) | ((ull) high << 32); } double get_time(){ return (double) (get_cycle() - begin_cycle)/cycle_per_sec; } int rec(int x){ if(x<=0) return 0; else return rec(x-1)+rec(x-1); } int main(){ begin_cycle = get_cycle(); int n; cin>>n; rec(n*5+1); cout<<0<