1156A-Inscribed_Figures.cpp

/*
	written by Pankaj Kumar.
	country:-INDIA
*/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll ;
typedef set<pair<int,int>> spi;
typedef set<pair<ll,ll>> spl;
typedef vector<pair<int,int>> vpi;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<pair<ll,ll>> vpl;
typedef vector<string> vs;
typedef map<int,int>mi;
typedef map<ll,ll> ml;
typedef set<string> ss;
typedef set<int> si;
typedef set<ll> sl;
#define pan cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);
// define values.
#define mod 1000000007;
#define phi 1.618
/* Bit-Stuff */
#define get_set_bits(a) (__builtin_popcount(a))
#define get_set_bitsll(a) ( __builtin_popcountll(a))
#define get_trail_zero(a) (__builtin_ctz(a))
#define get_lead_zero(a) (__builtin_clz(a))
#define get_parity(a) (__builtin_parity(a))
/*  Abbrevations  */
#define ff first
#define ss second
#define mp make_pair
#define line cout<<endl;
#define pb push_back
#define Endl "\n"
#define loopi(a,b) for(int i=a;i<=b;i++)
// Some print
#define no cout<<"NO"<<endl
#define yes cout<<"YES"<<endl
/* ascii value 
A=65,Z=90,a=97,z=122
*/
/*  -----------------------------------------------------------------------------------*/

int main()
{
	pan;
	int n;
	cin>>n;
	vi v(n,0);
	for(auto &s:v)
		cin>>s;
	int flag=0,count=0;
	for(int i=0;i<n-1;i++)
	{
		if((v[i]==2&&v[i+1]==3)||(v[i]==3&&v[i+1]==2)||(v[i]==v[i+1]))
		{
			flag++;
		}
		else if(v[i+1]==2&&v[i-1]==3&&i>=1)
			count+=2;
		else if((v[i]==2&&v[i+1]==1)||(v[i+1]==2&&v[i]==1))
			count+=3;
		else
			count+=4;
	}
	if(flag>0)
		cout<<"Infinite"<<endl;
	else
	{
		cout<<"Finite"<<endl;
		cout<<count<<endl;
	}
}