three-digit number transformer v1.c

/*

    three-digit number transformer v1.c

*/

#include <stdio.h>

// The first digit is crossed out and put at the end, 123 to 231
int numberTransformer1(int first, int second, int third)
{
    return second*100 + third*10 + first;
}

// The second digit and the third one are swapped, 123 to 132
int numberTransformer2(int first, int second, int third)
{
    return first*100 + third*10 + second;
}

int main(void)
{
    int i, number, first, second, third;

    printf("\n Enter three-digit number: ");
    scanf("%d", &number);

    if(number<100 || number>999)   // if it is not three-digit number
    {
        printf("\n Only three-digit numbers are accepted ! \n");
        return 1;
    }

    printf("\n 1. number is %d \n", number);

    third  = number % 10;   // get last digit of number
    number = number / 10;   // delete last digit of number

    printf("\n third = %d \n", third);
    printf("\n 2. number is %d \n", number);

    second = number % 10;   // get last digit of number
    number = number / 10;   // delete last digit of number

    printf("\n second = %d \n", second);
    printf("\n 3. number is %d \n", number);

    first  = number % 10;   // get last digit of number
    number = number / 10;   // delete last digit of number

    printf("\n first = %d \n", first);
    printf("\n 4. number is %d \n", number);

    printf("\n first second third are %d %d %d \n", first, second, third);

    printf("\n number is %d \n", first*100+ second*10 + third);

    printf("\n number after numberTransformer1() is %d \n", numberTransformer1(first, second, third));

    printf("\n number after numberTransformer2() is %d \n", numberTransformer2(first, second, third));

    printf("\n\n");

    return 0;
}