#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 n,max=-1,sum=0,i; cin>>n; int a[n]; for(i=0;i<n;i++){ cin>>a[i]; if(a[i]>max){ max=a[i]; }else if(a[i]<max){ sum+=1; } } cout<<sum; */ /* int n,i,j,k; cin>>n; int a[n][n]; for(k=0;k<n;k++){ for(i=k;i<=n-k-1;i++){ for(j=k;j<=n-k-1;j++){ a[i][j]=k+1; } } } for(i=0;i<n;i++){ for(j=0;j<n;j++){ cout<<a[i][j]<<" "; } cout<<endl; } */ /* int i,j,m,n; cin>>m>>n; for(i=1;i<m;i++){ j=m-i; if(i*j==n){ cout<<"Yes"; return 0; } } cout<<"No"; */ /* int m,n,i,s=0,ge,shi,bai; cin>>m>>n; for(i=m;i<=n;i++){ ge=i%10; shi=i%100/10; bai=i/100; if((ge*ge*ge)+(shi*shi*shi)+(bai*bai*bai)==i){ cout<<i<<" "; s+=1; } } if(s==0){ cout<<"no"; */ int k,x,y; cin>>k; for(x=k+1;x<=2*k;x++){ int a=x-k; int b=x*k; if(b%a==0){ cout<<"1/"<<k<<"=1/"<<x<<"+1/"<<b/a<<endl; } } return 0; }