#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,c=1; cin>>n; for(int x=0;x<=n/5;x++){ for(int y=0;y<=n/3;y++){ int z=n-x-y; if(x+y+z==n && 5*x+3*y+z/3==n&&z%3==0){ printf("%d: %d,%d,%d\n",c,x,y,z); c++; } } } if(c==1) cout<<"None"<<endl; return 0; }