#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 k,x,y; cin>>k; for(x=k+1;x<=2*k;x++){ int b=x-k,a=x*k;//y=(x-k)/(x*k)=a/b; if(a%b==0){ y=a/b; cout<<"1/"<<k<<"="<<"1/"<<x<<"+1/"<<y<<endl; } } return 0; }