#include<iostream> #include<cstring> using namespace std; int main() { char a[11500]; char b[11500]={'h','e','l','l','o'}; cin>>a; int count=0; for(int i=0;a[i]!='\0';i++){ if(a[i]==b[count]){ count++; } } if(count==5){ cout<<"Yes"; }else{ cout<<"No"; } }