#include <bits/stdc++.h> using namespace std; int main() { char s[100],r[100]; int q,count=0,c=0; char p[100]="hackerrank"; cin>>q; cin>>s; cin>>r; int l=strlen(s); int m=strlen(p); int n=strlen(r); int a=0,b=0; while(a<l) { if(s[a]==p[b]) { a++; b++; count++; } else a++; } a=0; b=0; while(a<n) { if(r[a]==p[b]) { a++; b++; c++; } else a++; } if(count==m) { cout<<"YES"<<endl; } else { cout<<"NO"<<endl; } if(c==m) cout<<"YES"<<endl; else cout<<"NO"<<endl; return 0; }