#include <iostream>
#include <string>
using namespace std;
int main()
{
  int a[5];
  for (int i=0; i<5; ++i){
    cin >> a[i];
    if(a[i]<0) a[i]=a[i]*a[i];
  }
  cout << endl;
  for (int i=0; i<5; ++i) cout << a[i]<< " ";
}