Gradient_70p

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int R1,G1,B1,R2,G2,B2,n;
    cin>>R1>>G1>>B1>>R2>>G2>>B2>>n;
    cout<<R1<<", "<<G1<<", "<<B1<<'\n';
    int r=abs(R2-R1)/(n-1),g=abs(G2-G1)/(n-1),b=abs(B2-B1)/(n-1);
    for(int i=2;i<n;++i)
    {
        if(R1<R2)
            R1+=r;
        else
            R1-=r;
        if(G1<G2)
            G1+=g;
        else
            G1-=g;
        if(B1<B2)
            B1+=b;
        else
            B1-=b;
        cout<<R1<<", "<<G1<<", "<<B1<<'\n';
    }
    cout<<R2<<", "<<G2<<", "<<B2<<'\n';
    return 0;
}