//#pragma gcc optimize("O2")
#include <bits/stdc++.h>
//#include<complex>
using namespace std;
#define int long long
int n;
string s;
int ps[29][200005];
signed main(){
cin>>s;
n=s.size();
s="*"+s;
for(int i=1;i<=n;i++){
for(int c=0;c<=28;c++){
ps[c][i]=ps[c][i-1];
}
ps[s[i]-'a'][i]++;
}
int Q;
cin>>Q;
while(Q--){
int a;int b;int l;int r;
cin>>a>>b>>l>>r;
if(b-a!=r-l){
cout<<"NE\n";
continue;
}
int ok=1;
for(int i=0;i<=28;i++){
if(ps[i][b]-ps[i][a-1]!=ps[i][r]-ps[i][l-1]){
ok=0;break;
}
}
if(ok){
cout<<"DA\n";
}else{
cout<<"NE\n";
}
}
}
