#include <iostream>
using namespace std;
signed main(){
int x,y;
cin >> x >> y;
x - y >= 100 ? cout << "Надо" : cout << "Не надо" ;
}
#include <iostream>
using namespace std;
signed main(){
int x,y;
cin >> x >> y;
x - y >= 100 ? cout << "Надо" : cout << "Не надо" ;
}