#include<iostream>
using namepace std;
int main(){
    double a,b; 
    cin>>a;
    cin>>b;
    try{
        if(a<750){throw "Low credit score";}
        if(b<30000){throw "Insufficient income";}
        if(a<0 ||b<0){throw"Invalid input";}
        cout<<"Loan approved";
    }
    catch (const char*msg){cout<<msg;
    return 0;
}