a,b,c=map(int,(input().split()))
z=a*c*(-4)+b**2
e=((-1*b)+(z**(1/2)))/2
f=((-1*b)-(z**(1/2)))/2
if z==0:print("Two same roots x=%d"%e)
elif z<0:print("No real root")
else:
if e>f:
print("Two different roots x1=%d , x2=%d"%(e,f))
else:print("Two different roots x1=%d , x2=%d"%(f,e))
感覺沒錯但卡住樂