stepik_nmbprintf

#include <stdio.h>

int main()
{
    int A = 2;
    int B = 8;
    int runner = 1;
    int subrunner = 1;
    int runa = A;

    while (runner <= ((B - A) + 1))
    {
        subrunner = 1;
        while (subrunner <= runner)
        {
            printf("%d  ", runa);
            subrunner++;
        }
        runa++;
        subrunner++;
        runner++;
    }
    return 0;
}