C++ :

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

int a[4];
string t = "+-*"; 
bool f;

bool calc(string r){
	string o = r;
	int b[4];
	for(int i = 0;i < 4;i++){
		b[i] = a[i];
	}
	
	for(int i = 0;i < r.size();i++){
		if(r[i] == '*'){
			b[i+1] = b[i+1] * b[i];
			b[i] = 0; 
			if(i == 0) r[i] = '+';
			else r[i] = r[i-1];
		}
	}
	
	int s = b[0];
	for(int i = 1;i < 4;i++){
		if(r[i-1] == '+') s = s + b[i];
		else if(r[i-1] == '-')s = s - b[i];
	}
	
	if(s == 24){
		f = true;
	}
} 

//递归所有的运算情况 
void dfs(string r){
	if(r.size() == 3){
		//cout<<r<<endl;
		//每产生一个运算，就用这个运算要验证能否得到24点 
		calc(r);
		return;
	}
	for(int i = 0;i < t.size();i++){
		dfs(r+t[i]);
	}
}



int main(){
    int n,c = 0;
    cin>>n;
    for(int i = 1;i <= n;i++){
    	for(int j = 0;j < 4;j++){
    		cin>>a[j];
		}
		
		f = false; 
		dfs("");
		if(f == true) c++;
	} 
	cout<<c;
    return 0;
}