#include<iostream>
using namespace std;
int main()
{
long long a,b,c;
cin>>a>>b>>c;
if(c==0)
{
if(a==b)
cout<<"YES";
else
cout<<"NO";
}
else
{
if((b-a)%c==0 and (b-a)/c>=0)
{
cout<<"YES";
}
else
{
cout<<"NO";
}
}
return 0;
}
#include < bits / stdc ++. h > using namespace std ; int main () { long n ; string str ; cin >> n ; cin >> str ; long count = 0 , index ; index = str . find ( "A" ); while ( index !=- 1 ) { count ++; str . erase ( str . begin ()+ index , str . begin ()+ index + 1 ); index = str . find ( "A" ); } if ( count > n - count ) cout << "Anton" ; else if ( count < n - count ) cout << "Danik" ; else cout << "Friendship" ; return 0 ; }
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