import sys
from fractions import Fraction

rl = sys.stdin.readline

a = int(rl())
b = int(rl())
c = int(rl())


def solve():
    for x in range(1, 300):
        for y in range(1, 300):
            if x + y + a >= b + c:
                continue
            cosB = Fraction(
                ((x + y + a) * (x + y + a) + b * b - c * c), (2 * b * (x + y + a))
            )
            cosC = Fraction(
                ((x + y + a) * (x + y + a) + c * c - b * b), (2 * c * (x + y + a))
            )
            ss = Fraction(b * b + x * x) - (2 * b * x * cosB)
            tt = Fraction(c * c + y * y) - (2 * c * y * cosC)

            cosP2 = Fraction(ss + b * b - x * x) ** 2 / (4 * ss * b**2)
            cosQ2 = Fraction(tt + c * c - y * y) ** 2 / (4 * tt * c**2)

            if (ss + b * b - x * x) <= 0 or (tt + c * c - y * y) <= 0:
                continue
            if cosP2 == 1 or cosQ2 == 1:
                continue

            if cosP2 == cosQ2:
                print("Yes")
                return
    print("No")


solve()