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


int main()
{
    int a, b, c, d,i;
    int num1=-1, num2=-1, num3=-1, num4=-1;
    int bigest, big, middle, small,temp1,temp2,temp3;
    printf("Give me please 4 numbers:");
    scanf("%d%d%d%d", &a,&b,&c,&d);
    while (a < 0 || b < 0 || c < 0 || d < 0)
        if (a < 0 || b < 0 || c < 0 || d < 0)
        {
        printf("Invalid numbers, please try again:");
        scanf("%d%d%d%d", &a, &b, &c, &d);
        }


    for (i = 0; i < 10; i++)
    {
        if (a % 10 == i)
            num1 = a;
        if (b % 10 == i)
            num2 = b;
        if (c % 10 == i)
            num3 = c;
        if (d % 10 == i)
            num4 = d;

        if (num1 >= num2)
        {
            bigest = num1;
            big = num2;
        }
        else
        {
            bigest = num2;
            big = num1;
        }
        if (num3 <= bigest && num3 >= big)
        {
            temp1=big;
            big = num3;
            middle = temp1;
        }
        if (num3 >= bigest && bigest)
        {
            temp1 = bigest;
            temp2 = big;
            bigest = num3;
            big = temp1;
            middle = temp2;
        }
        if (num3 <= big)
            middle = num3;

        if (num4 <= middle)
            small = num4;
        if (num4 >= middle)
        {
            temp1 = middle;
            middle = num4;
            small = temp1;
        }
        if (num4 >= big && num4 <= bigest)
        {
            temp1 = big;
            temp2 = middle;
            big = num4;
            middle = temp1;
            small = temp2;
        }
        if (num4 >= bigest)
        {
            temp1 = bigest;
            temp2 = big;
            temp3 = middle;
            bigest = num4;
            big = temp1;
            middle = temp2;
            small = temp3;
        }

        if (bigest == big)
            big = -1;
        if (bigest == middle)
            middle = -1;
        if (bigest == small)
            small = -1;
        if (big == middle)
            middle = -1;
        if (big == small)
            small = -1;

        if (bigest != -1)
            printf(" %d", bigest);
        if (big != -1 )
            printf(" %d", big);
        if (middle != -1)
            printf(" %d", middle);
        if (small != -1)
            printf(" %d", small);

        num1 = -1;
        num2 = -1;
        num3 = -1;
        num4 = -1;
    }

    return 0;
}