#include <iostream>
#include <cmath>
using namespace std;
int n,st,en;
int main(){
ios::sync_with_stdio(0);
while(1){
cin>>n;
if(n<1)
return 0;
st=n,en=0;
for(int k=sqrt(2*n);k>0;k--){
int m=(2*n-k-k*k)/(2*(k+1));
if((k+1)*(2*m+k)==2*n){
st=m,en=k;
break;
}
}
if(st==0)
st=1,en--;
cout<<n<<" = ";
cout<<st<<" + ... + "<<st+en<<endl;
}
}
#include <cmath>
using namespace std;
int n,st,en;
int main(){
ios::sync_with_stdio(0);
while(1){
cin>>n;
if(n<1)
return 0;
st=n,en=0;
for(int k=sqrt(2*n);k>0;k--){
int m=(2*n-k-k*k)/(2*(k+1));
if((k+1)*(2*m+k)==2*n){
st=m,en=k;
break;
}
}
if(st==0)
st=1,en--;
cout<<n<<" = ";
cout<<st<<" + ... + "<<st+en<<endl;
}
}
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