def month_season(month,days):
 
 if month in ('January', 'February', 'March'):
	 season = 'winter'
 elif month in ('April', 'May', 'June'):
	 season = 'spring'
 elif month in ('July', 'August', 'September'):
	 season = 'summer'
 else:
	 season = 'autumn'
 if (month == 'March') and (days > 19):
	 season = 'spring'
 elif (month == 'June') and (days > 20):
	 season = 'summer'
 elif (month == 'September') and (days > 21):
	 season = 'autumn'
 elif (month == 'October') and (days > 21):
	 season = 'autumn'
 elif (month == 'November') and (days > 21):
	 season = 'autumn'
 elif (month == 'December') and (days > 20):
	 season = 'winter'
 return season
def min_cost(cost, m, n):
	R = 3
	C = 3
	 
	tc = [[0 for x in range(C)] for x in range(R)] 
	tc[0][0] = cost[0][0] 
	for i in range(1, m+1): 
		tc[i][0] = tc[i-1][0] + cost[i][0] 
	for j in range(1, n+1): 
		tc[0][j] = tc[0][j-1] + cost[0][j] 
	for i in range(1, m+1): 
		for j in range(1, n+1): 
			tc[i][j] = min(tc[i-1][j-1], tc[i-1][j], tc[i][j-1]) + cost[i][j] 
	return tc[m][n]