#include <stdio.h>
#define INCH_PER_CM 2.54

int main(void) {
    double smallest, largest, in, cm;

    printf("What is the smallest and largest inch value? ");
    scanf("%lf %lf", &smallest, &largest);

    for (in = smallest; in <= largest; in += 6) {
        cm = 2.54 * in;
        printf("%10.2f in = %10.2f cm\n", in, cm);
    } //for

    return 0;
} //main