// editor5
#include<iostream>
using namespace std;
int main(){
    int cs, income;
    if(!(cin>>cs>.income)){
        return 0;
        
    }
    if(cs<0||income<0){
        cout<,"Invalid input";
        
    }
    else if (cs<700){
        cout<<"low credit score"<<endl;
        
    }
    else if (income<30000){
        cout<<"Insufficient income"<<endl;
        
    }else{
        cout<<"Loan approved";
        
    }
    return 0;
}