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