Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(100000)
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())

def Go(h,w):
	#print(h,w)
	global c
	check[h][w]=1
	count = 0
	front = ""
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
check = [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())

def Go(h,w):
	#print(h,w)
	global c
	check[h][w]=1
	count = 0
	front = ""
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
check = [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
print(ans)

Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(5000)
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())

def Go(h,w):
	#print(h,w)
	global c
	check[h][w]=1
	count = 0
	front = ""
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
check = [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())

def Go(h,w):
	#print(h,w)
	global c
	check[h][w]=1
	count = 0
	front = ""
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
check = [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
print(ans)

Buggy python submission (verdict: Runtime Error):
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())
check = [[0 for w in range(W)] for h in range(H)]
def Go(h,w):
	global c
	check[h][w]=1
	count = 0
	front = ""
	tmp=0
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
			check = [[0 for w in range(W)] for h in range(H)]
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())

def Go(h,w):
	#print(h,w)
	global c
	check[h][w]=1
	count = 0
	front = ""
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
check = [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
print(ans)

Buggy python submission (verdict: Runtime Error):
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())
check = [[0 for w in range(W)] for h in range(H)]
def Go(h,w,c):
	check[h][w]=c
	count = 0
	front = ""
	tmp=0
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w,c)+1
			else:
				count += Go(h-1,w,c)
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w,c)+1
			else:
				count += Go(h+1,w,c)
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1,c)+1
			else:
				count += Go(h,w-1,c)
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1,c)+1
			else:
				count += Go(h,w+1,c)
	return count

ans=0
c=1
for h in range(H):
	for w in range(W):
		if series[h][w] == "#":
			ans += Go(h,w,c)
			check = [[0 for w in range(W)] for h in range(H)]
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
H,W=map(int,input().split())
series = [[] for h in range(H)]
for h in range(H):
	series[h] = list(input())

def Go(h,w):
	#print(h,w)
	global c
	check[h][w]=1
	count = 0
	front = ""
	if series[h][w] == "#":
		front = "."
	else:
		front = "#"
	if h >= 1:
		if series[h-1][w] == front and check[h-1][w] == 0:
			if series[h-1][w] == ".":
				count += Go(h-1,w)+1
			else:
				count += Go(h-1,w)
				c += 1
				used[h-1][w] = 1
	if h < H-1:
		if series[h+1][w] == front and check[h+1][w] == 0:
			if series[h+1][w] == ".":
				count += Go(h+1,w)+1
			else:
				count += Go(h+1,w)
				c += 1
				used[h+1][w] = 1
	if w >= 1:
		if series[h][w-1] == front and check[h][w-1] == 0:
			if series[h][w-1] == ".":
				count += Go(h,w-1)+1
			else:
				count += Go(h,w-1)
				c += 1
				used[h][w-1] = 1
	if w < W-1:
		if series[h][w+1] == front and check[h][w+1] == 0:
			if series[h][w+1] == ".":
				count += Go(h,w+1)+1
			else:
				count += Go(h,w+1)
				c += 1
				used[h][w+1] = 1
	return count

ans=0
used =  [[0 for w in range(W)] for h in range(H)]
check = [[0 for w in range(W)] for h in range(H)]
for h in range(H):
	for w in range(W):
		if series[h][w] == "#" and used[h][w] == 0:
			c=1
			ans += Go(h,w) * c
print(ans)