include

using namespace std; int g,n,sum; int main () { while (g!=3) { cin>>n; if (n==7) g++; else { sum=sum+n; sum=sum+7*g; g=0; } } if (sum%2==0) cout<<"Happy"; else cout<<"Sad"; return 0; }

include

include

using namespace std; int x,y,q,w; int main() { cin>>x>>y>>q>>w; if (x-2==q && y+1==w) cout<<"YES"; else if (x-1==q && y+2==w) cout<<"YES"; else if (x+2==q && y+1==w) cout<<"YES"; else if (x+2==q && y-1==w) cout<<"YES"; else if (x+1==q && y-2==w) cout<<"YES"; else if (x-1==q && y-2==w) cout<<"YES"; else if (x-2==q && y-1==w) cout<<"YES"; else if (x-2==q && y+1==w) cout<<"YES"; else if (x+1==q && y+2==w) cout<<"YES"; else cout<<"NO"; return 0; }

include

using namespace std; int i,n,f,sum; int main () { f=1; cin>>n; for (i=1;i<=n;i++) { f=f*i; sum=sum+f; } cout<<sum; return 0; }