#include #include using namespace std; int n,i,j,out[501],sta[1001]; void solve(int n) { if (n==0) return; solve(n/2); for (i=1;i<=500;i++) for (j=1;j<=500;j++) if (n%2==0) sta[i+j-1]+=out[i]*out[j]; else sta[i+j-1]+=out[i]*out[j]*2; for (i=1;i<=500;i++) { out[i]=sta[i]%10; sta[i+1]+=sta[i]/10; } for (i=1;i<=1000;i++) sta[i]=0; } int main() { cin>>n; cout<=2;i--) { cout<