Problem p03573 (python)

Fixed submission:
a,b,c=map(int,input().split())
if a==b:
  print(c)
elif a==c:
  print(b)
else:
  print(a)

Buggy submission (verdict: Runtime Error):
h,w=map(int,input().split())
s=[]
cnt=0
for i in range(h):
    s.append(list(input()))
if h==1 and w==1:
    if s[0][0]=='#':
        print('#')
    else:
        print(0)
elif h==1:
    for i in range(w):
        if s[0][i]=='#':
            continue
        if i==0:
            if s[0][i+1]=='#':
                s[0][i]=='1'
            else:
                s[0][i]=='0'
        elif i==w-1:
            if s[0][i-1]=='#':
                s[0][i]=='1'
            else:
                s[0][i]=='0'
        else:
            if s[0][i+1]=='#':
                cnt+=1
            if s[0][i-1]=='#':
                cnt+=1
            s[0][i]=str(cnt)
            cnt=0
    ans=''
    for l in range(h):
        for b in range(w):
            ans+=s[l][b]
        print(ans)
        ans=''
elif w==1:
    for i in range(h):
        if s[i][0]=='#':
            continue
        if i==0:
            if s[i+1][0]=='#':
                s[i][0]=='1'
            else:
                s[i][0]=='0'
        elif i==h-1:
            if s[i-1][0]=='#':
                s[i][0]=='1'
            else:
                s[i][0]=='0'
        else:
            if s[i+1][0]=='#':
                cnt+=1
            if s[i-1][0]=='#':
                cnt+=1
            s[i][0]=str(cnt)
            cnt=0
    ans=''
    for l in range(h):
        for b in range(w):
            ans+=s[l][b]
        print(ans)
        ans=''
else:
    for j in range(h):
        for k in range(w):
            if j==0:
                if s[j][k]=='#':
                    continue
                else:
                    if k==0:
                        if s[j][k+1]=='#':
                            cnt+=1
                        if s[j+1][k]=='#':
                            cnt+=1
                        if s[j+1][k+1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
                    elif k==w-1:
                        if s[j][k-1]=='#':
                            cnt+=1
                        if s[j+1][k]=='#':
                            cnt+=1
                        if s[j+1][k-1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
                    else:
                        if s[j][k+1]=='#':
                            cnt+=1
                        if s[j+1][k]=='#':
                            cnt+=1
                        if s[j+1][k+1]=='#':
                            cnt+=1
                        if s[j][k-1]=='#':
                            cnt+=1
                        if s[j+1][k-1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
            elif j==h-1:
                if s[j][k]=='#':
                    continue
                else:
                    if k==0:
                        if s[j][k+1]=='#':
                            cnt+=1
                        if s[j-1][k]=='#':
                            cnt+=1
                        if s[j-1][k+1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
                    elif k==w-1:
                        if s[j][k-1]=='#':
                            cnt+=1
                        if s[j-1][k]=='#':
                            cnt+=1
                        if s[j-1][k-1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
                    else:
                        if s[j][k+1]=='#':
                            cnt+=1
                        if s[j-1][k]=='#':
                            cnt+=1
                        if s[j-1][k+1]=='#':
                            cnt+=1
                        if s[j][k-1]=='#':
                            cnt+=1
                        if s[j-1][k-1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0 
            elif 0<j<h-1:
                if s[j][k]=='#':
                    continue
                else:
                    if k==0:
                        if s[j][k+1]=='#':
                            cnt+=1
                        if s[j-1][k]=='#':
                            cnt+=1
                        if s[j-1][k+1]=='#':
                            cnt+=1
                        if s[j+1][k]=='#':
                            cnt+=1
                        if s[j+1][k+1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
                    elif k==w-1:
                        if s[j][k-1]=='#':
                            cnt+=1
                        if s[j-1][k]=='#':
                            cnt+=1
                        if s[j-1][k-1]=='#':
                            cnt+=1
                        if s[j+1][k]=='#':
                            cnt+=1
                        if s[j+1][k-1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
                    else:
                        if s[j][k+1]=='#':
                            cnt+=1
                        if s[j-1][k]=='#':
                            cnt+=1
                        if s[j-1][k+1]=='#':
                            cnt+=1
                        if s[j-1][k-1]=='#':
                            cnt+=1
                        if s[j+1][k]=='#':
                            cnt+=1
                        if s[j+1][k+1]=='#':
                            cnt+=1
                        if s[j][k-1]=='#':
                            cnt+=1
                        if s[j+1][k-1]=='#':
                            cnt+=1
                        s[j][k]=str(cnt)
                        cnt=0
    ans=''
    for l in range(h):
        for b in range(w):
            ans+=s[l][b]
        print(ans)
        ans=''