#include <bits/stdc++.h>
using namespace std;

int main() {

  int A;

  // nameに10を代入
  A = 1<= A <= 20;

  cout << A << endl; // 10
   
  int B;

  // nameに10を代入
  B = 1<= B <= 20;

  cout << B << endl; 
  
  if (1<= A <= 20 , 1<= B <= 20) {
  cout << "1" << endl;
}
else {
  cout << "-1"<<endl;
}
