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13130 - Cacho.cpp
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13130 - Cacho.cpp
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/*
||-----------------------------------||
|| Rahat Khan Pathan ||
|| BGC Trust University ||
|| Department of CSE ||
||-----------------------------------||
*/
#include<bits/stdc++.h>
#define ll long long int
#define pub push_back
#define PI 3.14159265359
#define vll vector<ll>
#define All(X) (X).begin(),(X).end()
#define Unique(X) (X).erase(unique(All(X)),(X).end()))
#define fast ios_base::sync_with_stdio(0); cin.tie(0);
#define pi pair<ll,ll>
#define vpair vector<pair<ll,ll> >
#define yes cout<<"YES"<<endl
#define no cout<<"NO"<<endl
#define minus cout<<-1<<endl
using namespace std;
ll ts=1;
int main()
{
fast;
ll n=5,x;
cin>>x;
while(x--)
{
ll i=0,a[n+1],c=0;
for(i=0;i<n;i++)cin>>a[i];
for(i=1;i<n;i++)
{
if(a[i]!=a[i-1]+1)
{
c=1;
break;
}
}
(c==0)? cout<<"Y"<<endl : cout<<"N"<<endl;
}
return 0;
}