#include<iostream>
using namespace std;
int main()
{
    int cs,i;
    cin>>cs;
    cin>>i;
    if(cs>700&&i>30000){
        cout<<"Loan approved";
        
    }
    else if(cs<30000 && i>0){
        cout<<"Insufficient income";
        
    }
    else if(cs<700 && cs>0){
        cout<<"Low credit score";
        
    }
    else (cs<0 || i<0){
        cout<<"Invalid input";
    }

     }