#include<iostream>
using namespace std;
int main()
{
    int cre,in;
    cin>>cre;
    cin>>in;
    try{
        if(cre < 0 || in < 0){
            throw"Invalid input";
        }
        try{
            if(cre < 700){
                throw"Low credit score";
            }
            if (in<30000){
                throw"Insufficient income";
            }
            cout<<"Loan approved";
    }
    catch(const char*msg) {
        cout<< msg;
    }
    
    return 0;
}