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