for p in range(1,100): for q in range(p,100): for r in range(q,100): for s in range(r,100): if p * q * r + p * q * s + p * r * s + q * r * s == p * q * r * s: print(p,q,r,s) /************************************************************** Problem: 1255 User: admin Language: Python Result: Runtime Error ****************************************************************/