Python3
#1
a = float(input()) ** 2
b = float(input()) ** 2
c = float(input()) ** 2
if a + b == c or b + c == a or c + a == b:
print('YES')
else:
print('NO')
#2
x0 = float(input())
y0 = float(input())
R = float(input())
x = float(input())
y = float(input())
if (x - x0) ** 2 + (y - y0) ^ 2 ** <= R ** 2:<br> print('In')
else:
print('Out')