import itertools
import sys
import math
try:
    import numpy as np
except ImportError:
    pass

stdin = sys.stdin
stderr = sys.stderr
sys.setrecursionlimit(10 ** 6)

def CP(cond, a, b):
    print(a if cond else b)
def YESNO(cond):
    CP(cond, 'YES', 'NO')
def YesNo(cond):
    CP(cond, 'Yes', 'No')
def RS():
    return sys.stdin.readline().strip()
def RI():
    return int(RS())
def RVI():
    return [int(n) for n in RS().split()]
def WVI(arr, sep=' ', **kwargs):
    print(sep.join([str(a) for a in arr]), **kwargs)

S, T, c = RS().split()
S = int(S)
T = int(T)
if c == '<':
    f = lambda x, y: x < y
elif c == '>':
    f = lambda x, y: x > y
elif c == '=':
    f = lambda x, y: x == y
else:
    assert False
YESNO(f(S, T))