#include <iostream>
#include <cstdio>
using namespace std;

int main()
{
    int d1, m1, g1, d2, m2, g2;
    string izlaz;
    cin>>d1>>m1>>g1>>d2>>m2>>g2;

    bool uslov;    

    uslov=((18+g1) < g2);
    uslov = uslov || ((g1+18)==g2 && m1<m2);
    uslov= uslov ||((g1+18==g2)&&(m1==m2)&&(d1<=d2));

    if(uslov)
    {
        cout<<"DA";
        
    }
    else
     cout<<"NE";

    return 0;  
}

Last modified: Tuesday, 23 November 2021, 12:51 PM