main()
{
int i = 10, j =8, m = 11, n = 20, k;
printf("i = % 4d\t j = %4d\t", i++, ++j);
printf("i = % 4d\t j = % 4d\n", i, j);
k = m++;
printf("k = % 4d\t", k);
printf(m = %4d\n", m);
k = 3*(++n);
printf("k = % 4d\t", k);
printf("n = % 4d\n",n);
}