#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include <iostream>
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define fi first
#define sc second

const int N=1e5+5;
int n,m;
int c[N],a[N],b[N],p[N];
int main()
{
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    /*cin>>n>>m;
    for(int i=0;i<m;i++)
    {
        cin>>c[i]>>a[i];
        p[c[i]]=a[i];
    }
    for(int i=0;i<n;i++)
    {
        cin>>b[i];
    }*/
    ll c,e,cc;
    cin>>c>>e>>cc;
    if(c!=4||e%2==1||m%2==1)
    {
        cout<<"impossible";
        return 0;
    }
    ll x=c+e+cc;
    for(ll i=2;i*i<=x;i++)
    {
        if(x%i==0)
        {
            if(i+x/i==4+e/2)
            {
                cout<<i<<" "<<x/i;
                return 0;
            }
        }
    }
	cout<<"impossible";
    return 0;
}