Submission #8801392

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Source Code Expand

import sys
input = sys.stdin.readline
N, M = map(int, input().split())
t = [0] * (N + 1)
for _ in range(M):
  u, v = map(int, input().split())
  t[u] += 1
  t[v] += 1
for i in range(1, N + 1):
  if t[i] % 2:
    print("NO")
    exit(0)
print("YES")

Submission Info

Judge Result