#include<bits/stdc++.h> using namespace std; int main(){ int x,y,k; scanf("%d",&k); for(int x=k+1;x<=2*k;x++){ for(int y=x;y<=(k+1)*k;y++){ if((x*y)%(x+y)==0 && (x*y)/(x+y)==k){ printf("1/%d = 1/%d + 1/%d\n",k,x,y); } } } return 0; }