#include <stdio.h>
#include <stdlib.h>

// 531
// 135
// Units
// Tens
// Hundreds

int main()
{

    int num;
    int units, tens, hundreds;
    int reversenum;

    printf("Bitte geben sie eine dreistellige Zahl ein: \n");
    scanf("%d", &num);

    units = num % 10;
    tens = (num / 10) % 10;
    hundreds = num / 100;

    printf("units: %d\n", units);
    printf("tens: %d\n", tens);
    printf("hundreds %d\n", hundreds);

    reversenum = units * 100;
    reversenum = reversenum + tens * 10;
    reversenum = reversenum + hundreds;

    printf("The reverse number is: %d\n", reversenum);

    return 0;
}