Buggy python submission (verdict: Runtime Error):
import sys

x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    sys.exit()

if x not in l:
    print(x)
    sys.exit()

tmp = []
for i in range(x-50,x+50):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Fixed submission:
import sys

x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    sys.exit()

if x not in l:
    print(x)
    sys.exit()

tmp = []
for i in range(x-60,x+60):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Buggy python submission (verdict: Runtime Error):
x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    exit()

if x not in l:
    print(x)
    exit()

tmp = []
for i in range(x-50,x+50):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Fixed submission:
import sys

x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    sys.exit()

if x not in l:
    print(x)
    sys.exit()

tmp = []
for i in range(x-60,x+60):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Buggy python submission (verdict: Runtime Error):
x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    exit()

if x not in l:
    print(x)
    exit()

tmp = []
for i in range(x-50,x+50):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 1
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Fixed submission:
import sys

x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    sys.exit()

if x not in l:
    print(x)
    sys.exit()

tmp = []
for i in range(x-60,x+60):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Buggy python submission (verdict: Runtime Error):
x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    exit()

if x not in l:
    print(x)
    exit()

tmp = []
for i in range(x-10,x+10):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Fixed submission:
import sys

x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    sys.exit()

if x not in l:
    print(x)
    sys.exit()

tmp = []
for i in range(x-60,x+60):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Buggy python submission (verdict: Runtime Error):
x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    exit()

if x not in l:
    print(x)
    exit()

tmp = []
for i in range(x-50,x+50):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))

Fixed submission:
import sys

x,n = map(int,input().split())
if n != 0:
    l = list(map(int,input().split()))
else:
    print(x)
    sys.exit()

if x not in l:
    print(x)
    sys.exit()

tmp = []
for i in range(x-60,x+60):
    tmp.append(i)

ans = []
for j in tmp:
    if j not in l:
        ans.append(j)

tmp1 = 100
for k in ans:
    tmp2 = abs(x-k)
    if tmp2 != 0:
        if tmp1 >= tmp2:
            tmp1 = tmp2

ans2 = []
for m in ans:
    a = abs(m-x)
    if a == tmp1:
        ans2.append(m)

print(min(ans2))