#include <bits/stdc++.h>
using namespace std;
int main()
{
int x,y,k,n,i,KK,X[10005],Y[10005];
bool f;
KK=0;
while(cin>>k)
{
KK=0;
//X[105]=Y[105]={0};
memset(X, 0, sizeof(X[0]) * 10005);
memset(Y, 0, sizeof(Y[0]) * 10005);
for(y= 2*k ; y!=k; y--)
{
// x=(k*y)/(y-k);
if((k*y)%(y-k)==0)
{
x=(k*y)/(y-k);
X[KK] = x;
Y[KK] =y;
KK++;
}
}
printf("%d\n",KK);
for (int i = (KK - 1); i >= 0; --i) {
printf("%d/%d = %d/%d + %d/%d\n", 1, k, 1, X[i], 1, Y[i]);
//if (f==true)
//printf("%d = %d + %d\n",1/k,1/x,1/y);
}
}
return 0;
}
