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/***
Md. Namzul Hasan
Shahjalal University of Science & Technology,Sylhet.
hasan08sust@gmail.com
***/
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;
typedef int in ;
typedef unsigned long long ull ;
const double pi = 2*acos(0) ;
#define maxi 40000
#define pf printf
#define sc scanf
#define pb push_back
#define MEM(x,y) (memset((x),(y),sizeof(x)))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
#define new_line pf("\n")
#define clear_data(array) memset(array,0,sizeof(array))
#define highest_int 2147483647
int main()
{
int n,m,i ;
while(sc("%d",&n) &&n)
{
m =n ;
m = abs(m) ;
pf("%d = ",n) ;
if(n==1 || n==-1)
{
if(n==1)
pf("1\n") ;
else
pf("-1\n") ;
continue ;
}
if(n<0)
pf("-1 x ") ;
for(i=2 ; i<=sqrt(m); i++)
{
while(1)
{
if(m%i!=0)
break ;
if(m%i==0)
{
pf("%d",i) ;
m/=i ;
if(m>1)
pf(" x ") ;
}
}
}
if(m>1)
pf("%d",m) ;
pf("\n") ;
}
}
/***
Md. Namzul Hasan
Shahjalal University of Science & Technology,Sylhet.
hasan08sust@gmail.com
***/
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;
typedef int in ;
typedef unsigned long long ull ;
const double pi = 2*acos(0) ;
#define maxi 40000
#define pf printf
#define sc scanf
#define pb push_back
#define MEM(x,y) (memset((x),(y),sizeof(x)))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
#define new_line pf("\n")
#define clear_data(array) memset(array,0,sizeof(array))
#define highest_int 2147483647
int main()
{
int n,m,i ;
while(sc("%d",&n) &&n)
{
m =n ;
m = abs(m) ;
pf("%d = ",n) ;
if(n==1 || n==-1)
{
if(n==1)
pf("1\n") ;
else
pf("-1\n") ;
continue ;
}
if(n<0)
pf("-1 x ") ;
for(i=2 ; i<=sqrt(m); i++)
{
while(1)
{
if(m%i!=0)
break ;
if(m%i==0)
{
pf("%d",i) ;
m/=i ;
if(m>1)
pf(" x ") ;
}
}
}
if(m>1)
pf("%d",m) ;
pf("\n") ;
}
}
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