#include <iostream>
using namespace std;
int main (void) {
    int n,m11;
    scanf ("%d %d",&n,&m11);
    int p[n];
    for (int i=1;i<=n;++i) {
        cin >>p[i];
    }
    int m;
    scanf("%d",&m);
    for (int i=1;i<=m;++i) {
        int a,b,h=0;
        scanf("%d %d",&a,&b);
        for (int j=a;j<=b;++j) {
            int u=0;
            for (int k=a;k<=b;++k) {
                if (p[j]==p[k]) {
                    u=u+1;
                }
            }
            if (u>(b-a+1)/2) {
                h=p[j];
                goto van;
            }
        }
        van:;
        if (h==0) {
            cout << "ne" << endl;
        }
        else {
            cout << "da " << h << endl;
        }
    }
    return 0;
}