# Hello World program in Python for a in range(10): for b in range(10): for c in range(10): for d in range(10): for e in range(10): i = c * e % 10 h = e * b % 10 + c * e // 10 g = e * a % 10 + e * b // 10 f = e * a // 10 l = d * c % 10 k = d * b % 10 + d * c // 10 j = d * a + b * d // 10 p = i o = (h + l) % 10 n = (g + k) % 10 + (h + l)//10 m = f + j + (g + k)//10 if (c+e+i+p)==(b+d+h+l+o) and (c+e+i+p)==(a+g+k+n) and (c+e+i+p)==(f+j+m) and a != 0: print ("%d%d%d * %d%d = %d%d%d%d, all columns adding up to %d."%(a,b,c,d,e,m,n,o,p,c+e+i+p))