Codeforces A Inscribed Figures

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

int main()
{

int n;
cin>>n;
int arr[n];
for(int i=0;i<n;i++)
{
    cin>>arr[i];
}

int count=0;
for(int j=0;j<n-1;j++)
{
    if((arr[j]==1) and (arr[j+1]==2))
    {
        count+=3;
    }
    else
    if((arr[j]==2) and (arr[j+1]==1))
    {
        count+=3;
    }
    else
    if((arr[j]==1) and (arr[j+1]==3))
    {
        count+=4;
    }
    else
    if((arr[j]==3) and (arr[j+1]==1))
    {
        count+=4;
    }
    else
    if((arr[j]==2) and (arr[j+1]==3))
    {
        cout<<"Infinite\n";
        return 0;
    }
    else
    if((arr[j]==3) and (arr[j+1]==2))
    {
        cout<<"Infinite\n";
        return 0;
    }

}
cout<<"Finite\n"<<count;

    return 0;
}