#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; cin>>k; for(int i=k+1;i<=k*2;i++){ for(int j=i;j<=10000;j++){ if(1.0/k==1.0/i+1.0/j) cout<<"1/"<<k<<" = 1/"<<i<<" + 1/"<<j<<endl; } } return 0; }