？？

#include<iostream>
using namespace std;
int e[108][108][108]={0};
int main(){
	int w,x,h;
	cin>>w>>x>>h;
	int n;
	cin>>n;
	int k=w*x*h;
	int x1[n+1],y1[n+1],z1[n+1],x2[n+1],y2[n+1],z2[n+1];
	for(int i=1;i<=n;i++){
		cin>>x1[i]>>y1[i]>>z1[i]>>x2[i]>>y2[i]>>z2[i];
		for(int j=1;j<=w;j++){
			for(int k=1;k<=x;k++){
				for(int l=1;l<=h;l++){
					if(x1[i]<=j&&j<=x2[i]&&y1[i]<=k&&k<=y2[i]&&z1[i]<=l&&l<=z2[i]){
						if(e[j][k][l]!=1){
							k--;
							e[j][k][l]=1;
						}
					}
				}
			}
		}
	}
	cout<<k;
	return 0;
}