# include<iostream> using namespace std; int main(){ int n,sum=1; cin>>n; for(int i=0;i<n/5;i++){ for(int j=0;j<n/3;j++){ for(int k=0;k<n;k++){ if( (i+j+3.0*k==n) && (n==5*i+3*j+k) ){ cout<<sum<<":"<<i<<","<<j<<","<<k*3<<endl; sum++; } } } } if(sum==1) cout<<"None"; return 0; }