import sys def soi(i): if float(i).is_integer(): i=int(i) else: print('error') sys.exit() if i<2: print('error') sys.exit() res=[] bo=0 while bo==0: for co in range(2,i): ch=divmod(i,co) if ch[1]==0: res.append(co) i=ch[0] break else: res.append(i) bo=1 ress="" for t in range(len(res)-1): ress=ress+str(res[t])+'*' else: try: ress=ress+str(res[t+1]) except: ress=str(i) return ress a=input() print(a+"="+soi(a))