#include <bits/stdc++.h>
#define INT long long int
#define MOD 998244353
#define oo 6*(1e18)
using namespace std;
INT n, na[1010], nb[1010], nc[1010], sa, sb, sc, A, B, C, len;
char a[100010], b[100010], c[100010];
int main()
{
    ios::sync_with_stdio(false);

    for(int cases = 1 ; cases <= 77 ; cases++ )
    {
        char fn[110], fm[110];
        sprintf(fn, ".%d.in", cases);
        sprintf(fm, ".%d.out", cases);
        FILE *in = fopen(fn, "r");
        FILE *out = fopen(fm, "w");
        memset( na, 0, sizeof(na) );
        memset( nb, 0, sizeof(nb) );
        memset( nc, 0, sizeof(nc) );
        A = B = C = 0;
        sa = sb = sc = 0;
        fscanf(in, "%lld%s%s%s", &n, a, b, c);
        len = strlen(a);
        //cin>>n>>a>>b>>c;
        for(int i = 0 ; i < len ; i++ ) na[a[i]]++;
        for(int i = 0 ; i < len ; i++ ) nb[b[i]]++;
        for(int i = 0 ; i < len ; i++ ) nc[c[i]]++;
        sort(na, na+200, [](INT x, INT y){return x>y;});
        sort(nb, nb+200, [](INT x, INT y){return x>y;});
        sort(nc, nc+200, [](INT x, INT y){return x>y;});
        for(int i = 0 ; i < 52 ; i++ ) A += len-na[i];
        for(int i = 0 ; i < 52 ; i++ ) B += len-nb[i];
        for(int i = 0 ; i < 52 ; i++ ) C += len-nc[i];
        if( len == na[0] )
        {
            if( n == 1 ) sa = len-1;
            else sa = len;
        }
        else
        {
            if( na[0] + n >= len ) sa = len;
            else sa = na[0]+n;
        }
        if( len == nb[0] )
        {
            if( n == 1 ) sb = len-1;
            else sb = len;
        }
        else
        {
            if( nb[0] + n >= len ) sb = len;
            else sb = nb[0]+n;
        }
        if( len == nc[0] )
        {
            if( n == 1 ) sc = len-1;
            else sc = len;
        }
        else
        {
            if( nc[0] + n >= len ) sc = len;
            else sc = nc[0]+n;
        }

        if( sa > sb and sa > sc ) fprintf(out, "K");//cout<<"K";
        else if( sb > sa and sb > sc ) fprintf(out, "Y");//cout<<"Y";
        else if( sc > sa and sc > sb ) fprintf(out, "J"); //cout<<"J";
        else fprintf(out,"Draw"); //cout<<"Draw";
        fclose(in);
        fclose(out);
    }
}