#include "stdio.h"
#include "stdlib.h"

double *seq(double a, double b, int k) {

	double *v = (double*)calloc(sizeof(double), k+1);
	double x = (b-a)/k;
	v[0] = a;
	v[k] = b;
	for (int i = 1; i < k; i++)
	{
		v[i] = v[i-1] + x;
	}

	return v;
}

int main() {

	double *v;
	float a, b;
	int k;

	scanf("%f", &a);
	scanf("%f", &b);
	scanf("%d", &k);

	v = seq(a, b, k);

	for (int i = 0; i < k; i++)
	{
		printf("%f, ", v[i]);
	}

	free(v);

}