#include <stdio.h>

int main()
{

    float fahr, celcius;
    int lower, upper, step;

    lower = 0;
    upper = 100;
    step = 5;

    celcius = lower;
    printf("fahrenheit celcius \n");
    while( celcius <= upper){
        fahr = celcius*(9.0/5.0)+32;
        printf("%6.1f %3.0f\n", fahr, celcius);
        celcius=celcius+step;

}
}