Buggy python submission (verdict: Time Limit Exceeded):
a,b = map(int,input().split())

c = [int(_) for _ in input().split()]

l = []
for i in range(a):
    l += [c[i]]
    for j in range(i+1,a):
        l += [l[-1] + c[j]]
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)


Fixed submission:
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)

Buggy python submission (verdict: Runtime Error):
a,b = map(int,input().split())

c = [int(_) for i in input().split()]

l = []
for i in range(a):
    l += [c[i]]
    for j in range(i+1,a):
        l += [l[-1] + c[j]]
print(l)
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)


Fixed submission:
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)

Buggy python submission (verdict: Time Limit Exceeded):
a,b = map(int,input().split())

c = list(map(int,input().split()))

l = []
for i in range(a):
    l += [c[i]]
    for j in range(i+1,a):
        l += [l[-1] + c[j]]
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)


Fixed submission:
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)

Buggy python submission (verdict: Time Limit Exceeded):
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)


Fixed submission:
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)

Buggy python submission (verdict: Runtime Error):
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])

l.sort()
l.reverse()
l = list(map(bin,l))
pp = []
for i in range(len(l)-b):
	k = l[i]
	for j in range(1,b):
		k = l[i+b] & k
		if k <= min(pp):
			break
	pp.append(int(k))

pp.sort()
pp.reverse()
print(pp[0])

Fixed submission:
a,b = map(int,input().split())

c = list(map(int,input().split()))

aa = []
aa.append(0)
aa.append(c[0])

l = []
for i in range(1,a):
	aa.append(aa[i]+c[i])
d = 0
p = len(aa)
for i in range(p):
	for j in range(i+1,p):
		l.append(aa[j]-aa[i])
co = 0
la = 0
for i in range(40,-1,-1):
	for j in range(len(l)):
		if l[j] & (la + 2 ** i) == (la + 2 ** i):
			co += 1
	if co >= b:
		la += (2 ** i)
	co = 0

print(la)