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):
            Z = a + x + y
            if Z >= b + c or b >= Z + c or c >= Z + b:
                continue
            cosB = Fraction((Z**2 + b**2 - c**2), (2 * b * Z))
            cosC = Fraction((Z**2 + c**2 - b**2), (2 * c * Z))
            ss = Fraction(b**2 + x**2) - (2 * b * x * cosB)
            tt = Fraction(c**2 + y**2) - (2 * c * y * cosC)

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

            if (ss + b**2 - x**2) <= 0 or (tt + c**2 - y**2) <= 0:
                continue
            if cosP2 == 1 or cosQ2 == 1:
                continue

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


solve()