import sys
input=sys.stdin.readline
def I(): return int(input())
def MI(): return map(int, input().split())
def LI(): return list(map(int, input().split()))

def main():
    mod=10**9+7
    a,b,c=MI()
    
    D=b*b - 4*a*c
    
    if D < 0:
        print("imaginary")
    elif D==0:
        print(-1*b/(2*a))
    else:
        ans=[]
        
        ans.append((-b-D**0.5)/(2*a))
        ans.append((-b+D**0.5)/(2*a))
        
        print(' '.join(map(str, ans)))
        
        


main()