#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,f=0; cin>>N; for(int a=0;a<=N/5;a++){ for(int b=0;b<=N/3;b++){ for(int c=0;c<=N/3;c++){ if(a+b+c*3==N && 5*a+3*b+c==N){ f++; cout<<f<<": "<<a<<","<<b<<","<<3*c<<endl; } } } } if(f==0) cout<<"None"; return 0; }