#include <iostream>
#include <string.h>
#include <vector>
using namespace std;
//堀江伸一 会津大学オンラインジャッジ問3422 Pyramid Planet
struct E{
int x,y,z;
};
vector<E> vs;
int memo[103][103][103];
int main() {
int n,k;
int ans=0;
memset(memo,0,sizeof(memo));
cin>>n>>k;
for(int i=0;i<n;i++){
int x,y,z,h;
E e1;
cin>>x>>y>>z>>h;
e1.x=x;
e1.y=y;
e1.z=z;
vs.push_back(e1);
for(int j=1;j<h;j++){
memo[z+j][y-j][x-j]++;
memo[z+j][y+j+1][x-j]--;
memo[z+j][y-j][x+j+1]--;
memo[z+j][y+j+1][x+j+1]++;
}
}
for(int z=0;z<100;z++){
for(int x=0;x<100;x++){
int s1=0;
for(int y=0;y<100;y++){
s1+=memo[z][y][x];
memo[z][y][x]=s1;
}
}
}
for(int z=0;z<100;z++){
for(int y=0;y<100;y++){
int s1=0;
for(int x=0;x<100;x++){
s1+=memo[z][y][x];
memo[z][y][x]=s1;
}
}
}
for(int i=0;i<vs.size();i++){
E e1=vs[i];
memo[e1.z][e1.y][e1.x]++;
}
//for(int z=0;z<4;z++){
// for(int y=0;y<7;y++){
// for(int x=0;x<7;x++){
// if(k<=memo[z][y][x])ans++;
// cout<<memo[z][y][x]<<" ";
// }
// cout<<endl;
// }
// cout<<endl;
//}
//cout<<endl;
for(int z=0;z<100;z++){
for(int y=0;y<100;y++){
for(int x=0;x<100;x++){
if(k<=memo[z][y][x])ans++;
}
}
}
cout<<ans<<endl;
return 0;
}
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