#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int y,k; cin>>k; for(int x=k+1;x<=2*k;x++){ int b=x-k,a=x*k; if(a%b==0){ y=a/b; cout<<"1/"<<k<<" = "<<"1/"<<x<<" + "<<"1/"<<y<<endl; } } return 0; }