#include <stdio.h>

int main()
{
    int cel, start, ende, schritt;
    double fahr;

    printf("Startwert Endwert Schrittweite eingeben: ");
    scanf("%d %d %d", &start, &ende, &schritt);    
    printf("\n\nCelsius | Fahrenheit\n");
    printf("-------------------");
     
    for (cel = start; cel <= ende; cel += schritt)
    {
    	fahr = 9./5. * cel + 32;
    	printf ("\n  %4d  |   %5.1lf", cel, fahr);
    }
  
    printf("\n");
    return 0;
}