Buggy python submission (verdict: Runtime Error):
import sys
def printans(t):
    print(t)
    sys.exit()

N=int(input())
A=[int(i) for i in input().split()]

if all([a==A[0] for a in A]):#全部同じ
    shurui=A[0]
    if shurui==N-1 or shurui*2<=N:
        printans("Yes")
    else:printans("No")
else:#少ないやつは自分だけの色、そいつら以外で上と同じ処理
    maxshurui = max(A)
    if all([a in (maxshurui,maxshurui-1)]):
        unique = A.count(maxshurui-1)
        shurui = maxshurui-unique
        if shurui<=0:
            printans("No")
        if shurui*2<=N-unique:
            printans("Yes")
        else:printans("No")

Fixed submission:
import sys
def printans(t):
    print(t)
    sys.exit()

N=int(input())
A=[int(i) for i in input().split()]

if all([a==A[0] for a in A]):#全部同じ
    shurui=A[0]
    if shurui==N-1 or shurui*2<=N:
        printans("Yes")
    else:printans("No")
else:#少ないやつは自分だけの色、そいつら以外で上と同じ処理
    maxshurui = max(A)
    if all([a in (maxshurui,maxshurui-1) for a in A]):
        unique = A.count(maxshurui-1)
        shurui = maxshurui-unique
        if shurui<=0:
            printans("No")
        if shurui*2<=N-unique:
            printans("Yes")
        else:printans("No")
    else:printans("No")

Buggy python submission (verdict: Runtime Error):
import sys
def printans(t):
    print(t)
    sys.exit()

N=int(input())
A=[int(i) for i in input().split()]

if all([a==A[0] for a in A]):#全部同じ
    shurui=A[0]
    if shurui==N-1 or shurui*2<=N:
        printans("Yes")
    else:printans("No")
else:#少ないやつは自分だけの色、そいつら以外で上と同じ処理
    maxshurui = max(A)
    if all([a in (maxshurui,maxshurui-1)]):
        unique = A.count(maxshurui-1)
        shurui = maxshurui-unique
        if shurui<=0:
            printans("No")
        if shurui*2<=N-unique:
            printans("Yes")
        else:printans("No")

Fixed submission:
import sys
def printans(t):
    print(t)
    sys.exit()

N=int(input())
A=[int(i) for i in input().split()]

if all([a==A[0] for a in A]):#全部同じ
    shurui=A[0]
    if shurui==N-1 or shurui*2<=N:
        printans("Yes")
    else:printans("No")
else:#少ないやつは自分だけの色、そいつら以外で上と同じ処理
    maxshurui = max(A)
    if all([a in (maxshurui,maxshurui-1) for a in A]):
        unique = A.count(maxshurui-1)
        shurui = maxshurui-unique
        if shurui<=0:
            printans("No")
        if shurui*2<=N-unique:
            printans("Yes")
        else:printans("No")
    else:printans("No")

Buggy python submission (verdict: Runtime Error):
def printans(t):
    print(t)
    sys.exit()

N=int(input())
A=[int(i) for i in input().split()]

if all([a==A[0] for a in A]):#全部同じ
    shurui=A[0]
    if shurui==N-1 or shurui*2<=N:
        printans("Yes")
    else:printans("No")
else:#少ないやつは自分だけの色、そいつら以外で上と同じ処理
    maxshurui = max(A)
    if all([a in (maxshurui,maxshurui-1)]):
        unique = A.count(maxshurui-1)
        shurui = maxshurui-unique
        if shurui<=0:
            printans("No")
        if shurui*2<=N-unique:
            printans("Yes")
        else:printans("No")

Fixed submission:
import sys
def printans(t):
    print(t)
    sys.exit()

N=int(input())
A=[int(i) for i in input().split()]

if all([a==A[0] for a in A]):#全部同じ
    shurui=A[0]
    if shurui==N-1 or shurui*2<=N:
        printans("Yes")
    else:printans("No")
else:#少ないやつは自分だけの色、そいつら以外で上と同じ処理
    maxshurui = max(A)
    if all([a in (maxshurui,maxshurui-1) for a in A]):
        unique = A.count(maxshurui-1)
        shurui = maxshurui-unique
        if shurui<=0:
            printans("No")
        if shurui*2<=N-unique:
            printans("Yes")
        else:printans("No")
    else:printans("No")