#include <iostream>
using namespace std;
int main() {
int x,y,n;
cin>>x>>y>>n;
int m=0,k=n;
string f="DA";
int min=0;
bool ceka=false;
while(m<k){
m+=x;
k+=y;
min++;
cout<< m<<" "<<k<<" "<<min<<endl;
if (min%30==0)
{
m=m+(10*x);
}
if (k>=50000){f="NE"; break;}
else if(m>=k) break;
else f="DA";
}
cout<<f;
}
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