#include<bits/stdc++.h> using namespace std; bool zhishu(int a){ for(int i=2;i*i<=a;i++){ if(a%i==0) return false; } return true; } int main(){ int a; cin>>a; int aa=a; bool boo=0; cout<<aa<<"="; if(zhishu(a)){ cout<<a; return 0; } for(int i=2;i<=a;i++){ if((aa%i==0||aa==i)&&zhishu(i)){ if(boo) cout<<"*"; cout<<i; aa=aa/i; boo=1; i--; } } cout<<endl; return 0; }