import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

n, m, b = na()
g = [[] for i in range(n)]
for _ in range(m):
    x, y, z = na()
    x -= 1
    y -= 1
    g[x].append((y, z))
    g[y].append((x, z))


ans = [-1] * n
for i in range(n):
    if ans[i] != -1:
        continue

    for j in range(b):
        ok = 1
        f = []
        q = [i]
        ans[i] = j
        while q:
            x = q.pop()
            f.append(x)
            for y, z in g[x]:
                if ans[y] == -1:
                    ans[y] = (z - ans[x]) % b
                    q.append(y)
                elif (ans[x] + ans[y] - z) % b:
                    ok = 0
        if ok:
            break
        for x in f:
            ans[x] = -1
    else:
        No()
        break
else:
    Yes()
    print(*ans)