int main()
{
#ifndef ONLINE_JUDGE
freopen("in.txt", "r", stdin);
#endif
int xa,ya,xb,yb;
cin>>xa>>ya>>xb>>yb;
for(int i=min(xa,xb);i<=max(xa,xb);i++)
{
for(int j=min(ya,yb);j<=max(ya,yb);j++)
{
if(i==xa|| i==xb || j==ya|| j==yb)
v.pb(pp(i,j));
}
}
//cout<<v.size()<<endl;
v.erase(unique(v.begin(),v.end()),v.end());
int c=0;
int n;s(n);
rep(i,n)
{
int x,y,r;
s(x);s(y);s(r);
ar1[i]=x;ar2[i]=y;ar3[i]=r;
}
