#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair< int, int > pii;
typedef vector< int > vi;
typedef vector< vi > vvi;
typedef vector< ll > vl;
typedef vector< vl > vvl;
typedef vector< pii > vp;
typedef vector< vp > vvp;
typedef vector< string > vs;
typedef vector< double > vd;
typedef vector< vd > vvd;

template< class T1, class T2 >
int upmin( T1 &x, T2 v ){
  if( x > v ){
    x = v;
    return 1;
  }
  return 0;
}

template< class T1, class T2 >
int upmax( T1 &x, T2 v ){
  if( x < v ){
    x = v;
    return 1;
  }
  return 0;
}

const int INF = 0x3f3f3f3f;

int N, K;
vi X, Y, HP;
vi AX, AY, W, H, D;

void init(){
  cin >> N >> K;
  X = Y = HP = vi( N );
  for( int i = 0; i < N; ++i )
    cin >> X[ i ] >> Y[ i ] >> HP[ i ];
  AX = AY = W = H = D = vi( K );
  for( int i = 0; i < K; ++i )
    cin >> AX[ i ] >> AY[ i ] >> W[ i ] >> H[ i ] >> D[ i ];
}

vvi imo;

void preprocess(){
  imo = vvi( 500 + 501 + 1, vi( 500 + 501 + 1 ) );
  for( int i = 0; i < N; ++i )
    imo[ X[ i ] + 501 ][ Y[ i ] + 501 ] += HP[ i ],
    imo[ X[ i ] + 501 + 1 ][ Y[ i ] + 501 ] -= HP[ i ],
    imo[ X[ i ] + 501 ][ Y[ i ] + 501 + 1 ] -= HP[ i ],
    imo[ X[ i ] + 501 + 1 ][ Y[ i ] + 501 + 1 ] += HP[ i ];
  for( int i = 0; i < K; ++i )
    imo[ X[ i ] + 501 ][ Y[ i ] + 501 ] -= D[ i ],
    imo[ X[ i ] + 501 + W[ i ] + 1 ][ Y[ i ] + 501 ] += D[ i ],
    imo[ X[ i ] + 501 ][ Y[ i ] + 501 + H[ i ] + 1 ] += D[ i ],
    imo[ X[ i ] + 501 + W[ i ] + 1 ][ Y[ i ] + 501 + H[ i ] + 1 ] -= D[ i ];
  for( int i = -500 + 501; i <= 500 + 501; ++i )
    for( int j = -500 + 501; j + 1 <= 500 + 501; ++j )
      imo[ i ][ j + 1 ] += imo[ i ][ j ];
  for( int i = -500 + 501; i <= 500 + 501; ++i )
    for( int j = -500 + 501; j + 1 <= 500 + 501; ++j )
      imo[ j + 1 ][ i ] += imo[ j ][ i ];
}

void solve(){
  int ans = 0;
  for( int i = -500 + 501; i <= 500 + 501; ++i )
    for( int j = -500 + 501; j <= 500 + 501; ++j )
      ans += ( imo[ i ][ j ] > 0 ) * imo[ i ][ j ];
  cout << ans << endl;
}

signed main(){
  ios::sync_with_stdio( 0 );
  init();
  preprocess();
  solve();
  return 0;
}