1#include <iostream>
2using namespace std;
3 
4int main() {
5    unsigned int u = 3;
6    int i = -1;
7    if (i < u)
8        cout << "less" << endl;
9    else
10        cout << "not less" << endl;
11    cout << (i < u) << endl;
12    return 0;
13}