-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy path69 A.cpp
55 lines (46 loc) · 1.73 KB
/
69 A.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/**
* Git >> Mohsin_Riad
░░░▄█████████████████▄
░░▐████▀▒██████████████▄
░▒██▀▒▒▒▒▒█████████▀█████
░▐██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒████▌
░▐█▌▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒████▌
░░█▒▄▀▀▀▀▀▄▒▒▄▀▀▀▀▀▄▒▐███▌
░░░▐░░░▄▄░░▌▐░░░▄▄░░▌▐███▌
░▄▀▌░░░▀▀░░▌▐░░░▀▀░░▌▒▀▒█▌
░▌▒▀▄░░░░▄▀▒▒▀▄░░░▄▀▒▒▄▀▒▌
░▀▄▐▒▀▀▀▀▒▒▒▒▒▒▀▀▀▒▒▒▒▒▒█
░░░▀▌▒▄██▄▄▄▄████▄▒▒▒▒█▀
░░░░▄██████████████▒▒▐▌
░░░▀███▀▀████▀█████▀▒▌
░░░░░▌▒▒▒▄▒▒▒▄▒▒▒▒▒▒▐
░░░░░▌▒▒▒▒▀▀▀▒▒▒▒▒▒▒▐
**/
#include<bits/stdc++.h>
using namespace std;
#define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define mx 1000
#define endl "\n"
#define pb push_back
#define pob pop_back
typedef long long ll;
typedef double dd;
const int N = 1e6;
int main()
{
IOS
ll n;
cin>>n;
ll x[n+5], y[n+5], z[n+5];
ll s1 = 0, s2 = 0, s3 = 0;
for(int i=0; i<n ;i++)
{
cin>>x[i]>>y[i]>>z[i];
s1+=x[i]; s2+=y[i]; s3+=z[i];
}
if(s1==0 && s2==0 && s3==0 )
cout<<"YES"<<endl;
else
cout<<"NO"<<endl;
return (0);
}