This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#define all(s) s.begin(),s.end()
using namespace std;
typedef long long ll;
ll n,x,y,xx,yy,ans,o;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin>>n>>x>>y>>xx>>yy;
for(ll i=(1<<30); i; i>>=1)
{
if((i&x)==(i&xx)&&(i&y)==(i&yy))
continue;
if((i&x)&&(i&xx)==0)
{
o=0;
for(ll j=i; j; j>>=1)
{
o|=(j&x);
if((j&y))
{
ans+=j;
y^=j;
}
}
ans+=o-i+1;
x^=i,x|=(i-1);
}
if((i&x)==0&&(i&xx))
{
o=0;
for(ll j=i; j; j>>=1)
{
o|=(j&xx);
if((j&yy))
{
ans+=j;
yy^=j;
}
}
ans+=o-i+1;
xx^=i,xx|=(i-1);
}
if((i&y)&&(i&yy)==0)
{
o=0;
for(ll j=i; j; j>>=1)
{
o|=(j&y);
if((j&x))
{
ans+=j;
x^=j;
}
}
ans+=o-i+1;
y^=i,y|=(i-1);
}
if((i&y)==0&&(i&yy))
{
o=0;
for(ll j=i; j; j>>=1)
{
o|=(j&yy);
if((j&xx))
{
ans+=j;
xx^=j;
}
}
ans+=o-i+1;
yy^=i,yy|=(i-1);
}
}
cout<<ans;
return 0;
}
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