#include <iostream>
#include <math.h>

using namespace std;
    float pole(float x1,float y1,float x2,float y2,float x3,float y3)
    {
        float ab = sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
        float ac = sqrt((x1-x3)*(x1-x3)+(y1-y3)*(y1-y3));
        float bc = sqrt((x2-x3)*(x2-x3)+(y2-y3)*(y2-y3));
        float p = (ab+ac+bc)/2;
        return sqrt(p*(p-ab)*(p-ac)*(p-bc));
    }

int main()
{
    int x1=0,x2=0,x3=0,y1=0,y2=0,y3=0,x=0,y=0;
    do{
    cin>>x1>>y1>>x2>>y2>>x3>>y3>>x>>y;
    if((x1==0)&&(x2==0)&&(x3==0)&&(y1==0)&&(y2==0)&&(y3==0)&&(y==0)&&(x==0)){
        return 0;
    }

    float all = pole(x1,y1,x2,y2,x3,y3);

    float abd = pole(x1,y1,x2,y2,x,y);
    float bcd = pole(x2,y2,x3,y3,x,y);
    float acd = pole(x1,y1,x3,y3,x,y);

    float sum = abd+bcd+acd;

    if(((abd==0)||(bcd==0)||(acd==0))&&(all-sum<=1e-6))
    {
        cout<<"E"<<endl;
    }
    else if(all-sum<=1e-6)
    {
        cout<<"I"<<endl;
    }
    {
        cout<<"O"<<endl;
    }


    }while(true);

    return 0;
}