Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] and B[1] in A[i+1]:
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No") 


Fixed submission:
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] :
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No")

Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
print(b)
for i in range(N-M+1):
    if B[0]in A[i] and B[1] in A[i+1]:
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No") 


Fixed submission:
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] :
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No")

Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] and B[1] in A[i+1]:
        for j in range(N-M+2):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
    if a==b:
        print("Yes")
        exit()
print("No")

Fixed submission:
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] :
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No")

Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+2):
    if B[0]in A[0] and B[1] in A[1]:
        for j in range(N-M+2):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
    if a==b:
        print("Yes")
        exit()
print("No")

Fixed submission:
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] :
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No")

Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[0] and B[1] in A[1]:
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
    if a==b:
        print("Yes")
        exit()
print("No")

Fixed submission:
N,M=map(int,input().split())
A=[input()for i in range(N)]
B=[input()for i in range(M)]
b=''
a='no'
for i in range(M):
    b+=B[i]
for i in range(N-M+1):
    if B[0]in A[i] :
        for j in range(N-M+1):
            a=''
            for k in range(M):
                a+=A[i+k][j:j+M]
            if a==b:
                print("Yes")
                exit()
print("No")