Spoj FACT0

#include <bits/stdc++.h>
using namespace std;
#define test int t; cin>>t; while (t--)
#define ll long long int
#define fellow_junior  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int main()
{
   fellow_junior
   ll a,c,d,e,f,i,j,k,l;
   while(cin>>a && a)
   {
       if(a%2==0)
       {
           c=0;
           while(a%2==0)
           {
               c++;
               a/=2;
           }
           cout<<2<<"^"<<c<<" ";
       }
       for(i=3;i*i<=a;i+=2)
       {
           if(a%i==0)
           {
               c=0;
               while(a%i==0)
               {
                   c++;
                   a/=i;
               }
               cout<<i<<"^"<<c<<" ";
           }
       }
       if(a>1) cout<<a<<"^1";
       cout<<endl;
   }
   return 0;
}