#include<iostream> #include<cstdio> #include<cstdlib> using namespace std; int a[10001]={1},n,toal; int search(int ,int); int print(int); int main() { cin>>n; search(n,1); cout<<toal<<endl; } int search(int s,int t) { int i; for(i=a[t-1];i<=s;i++) if(i<n) { a[t]=i; s-=i; if(s==0) print(t); else search(s,t+1); s+=i; } } int print(int t) { cout<<n<<"="; for(int i=1;i<=t-1;i++) cout<<a[i]<<"+"; cout<<a[t]<<endl; toal++; }