#include <bits/stdc++.h>

using namespace std;

#define abs(x) (x>0)? x:-(x)
void printShortestPath(int n, int i_start, int j_start, int i_end, int j_end) {
    int j=abs(j_start-j_end);
    int i=abs(i_end-i_start);
    if((i_end-i_start)%2!=0 || i==j)
        cout<<"Impossible"<<endl;   
    int count=0;
    vector <string> v;
    while(i!=0 || j!=0)
    {
        if(i>j)
        {
            
        }
    }
}

int main() {
    int n;
    cin >> n;
    int i_start;
    int j_start;
    int i_end;
    int j_end;
    cin >> i_start >> j_start >> i_end >> j_end;
    printShortestPath(n, i_start, j_start, i_end, j_end);
    return 0;
}