#include<iostream>
using namespace std;
int main()
{
    int a,b;
    try
    {
        cin>>a>>b;
        if(a<700)
        {
            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;
    }
}