#include "iostream"

 #include "cstdio"

 #include "cstring"

 #include "string"

 #include "cmath"

 using namespace std;

 int main()

 {

     int x1,y1,x2,y2;

     cin>>x1>>y1>>x2>>y2;

     int x,y;

     cin>>x>>y;

     int cnt1=x2-x1;

     int cnt2=y2-y1;

     int flag=;

     if(cnt1%x){

         flag=;

     }

     if(cnt2%y){

         flag=;

     }

     if(abs(abs(cnt1/x)-abs(cnt2/y))%){

         flag=;

     }

     if(!flag){

         cout<<"YES"<<endl;

     }else{

         cout<<"NO"<<endl;

     }

 }

 #include "iostream"

 #include "cstdio"

 #include "cstring"

 #include "string"

 #include "algorithm"

 #include "set"

 #include "vector"

 using namespace std;

 const int maxn=+;

 long long a[maxn];

 int n;

 long long solve3(long long sum){

     return (sum*(sum-)*(sum-)/);

 }

 long long solve2(long long sum){

     return (sum*(sum-)/);

 }

 int main()

 {

     cin>>n;

     for(int i=;i<n;i++)

         cin>>a[i];

     sort(a,a+n);

     set<long long>h;

     for(int i=;i<n;i++){

         h.insert(a[i]);

     }

     set<long long>::iterator it;

     vector<long long>q;

     for(it=h.begin();it!=h.end();it++){

         q.push_back(*it);

     }

     long long cnt1=,cnt2=,cnt3=;

     for(int i=;i<n;i++){

         if(a[i]==q[]){

             cnt1++;

         }else if(a[i]==q[]){

             cnt2++;

         }else if(a[i]==q[]){

             cnt3++;

         }

     }

     if(cnt1>=){

         cout<<solve3(cnt1)<<endl;

     }else if(cnt1==){

         cout<<cnt2<<endl;

     }else{

         if(cnt2>=){

             cout<<solve2(cnt2)<<endl;

         }else{

             cout<<cnt3<<endl;

         }

     }

     return ;

 }

 #include "iostream"

 #include "cstdio"

 #include "cstring"

 using namespace std;

 long long a,b;

 long long solve(long long num){

     long long ans=;

     while(num){

         long long mod=num%;

         ans+=mod;

         num/=;

     }

     return ans;

 }

 int main()

 {

     cin>>b>>a;

     long long sum=b-a;

     if(sum<=){

         cout<<""<<endl;

         return ;

     }

     long long cnt=;

     if(b-a<=){

         for(long long i=a;i<=b;i++){

             long long tt=i;

             //cout<<b-solve(tt)<<endl;

             if((i-solve(tt))>=a)

                 cnt++;

         }

         cout<<cnt<<endl;

     }else{

         for(long long i=a;i<=a+;i++){

             long long yy=i;

             if((i-solve(yy))<a)

                 cnt++;

         }

         cout<<sum-cnt+<<endl;

     }

     return ;

 }