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Copy pathCodeforces Round #486 (Div. 3), problem: (C) Equal Sums
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Codeforces Round #486 (Div. 3), problem: (C) Equal Sums
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/*
বন্ধু তুমি একা হলে আমায় দিও ডাক
তোমার সাথে গল্প করবো আমি সারারাত
*/
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>
#define pli pair<long long int,int>
#define pbi pair<bool,int>
#define pob pop_back
#define all(a) a.begin(),a.end()
#define fio ios_base::sync_with_stdio(false); cin.tie(0);cout.tie(0);
#define i64 long long int
#define mem(x,y) memset(x,y,sizeof(x))
#define fill(arr,b) fill(arr, arr+sizeof(arr)/sizeof(arr[0]), b)
#define maxarr(n,arr,m) m =-1e9;for(int i=0;i<n;i++)if(arr[i]>m) m=arr[i];
const double pi = acos(-1.0);
const int maxn = (i64)2e9+5;
int arr[200005];
map<int,pair<bool,pair<int,int> > > mp;
int main()
{
int k,a,b,x,y;
cin >> k;
bool fg = false;
for(int j = 1 ; j<=k ; j++)
{
int n;
cin >> n;
int s=0;
for(int i =1 ; i<=n ; i++)
{
cin >> arr[i];
s+=arr[i];
}
if(!fg)
{
for(int i =1 ; i<=n ; i++)
{
int t = s-arr[i];
if(mp[t].first == 1 && mp[t].second.first!=j)
{
fg = true;
a = mp[t].second.first;
x = mp[t].second.second;
b = j;
y = i;
break;
}
else if(mp[t].first == 0)
{
mp[t].first = 1;
mp[t].second.first = j;
mp[t].second.second = i;
}
}
}
}
if(fg)
{
cout << "YES" << endl;
cout << a << " "<< x << endl;
cout << b << " "<< y;
}
else cout << "NO";
return 0;
}