import sys
from z3 import *



# Find evaluation of formula.
# Return answer YES with machine's steps or NO
def printEvaluation(phi, B, width, height, SX, SY):
    s = Solver()
    s.add(phi)

    # TODO if many evaluations x != model[x]
    if s.check() == sat:
        model = s.model()

        printNanogram(s.model(), B, width, height)
    else:
        print "unsolvable"



# Print machine steps for input word
def printNanogram(model, B, width, height):
    for r in range(height):
        s = ""
        for c in range(width):
            if model[B[r][c]]:
                s += '#'
            else:
                s += '.'
        print(s)



# Print machine configuration
def starts(index, n, ivals, S):
    last = len(ivals) - 1
    ands = []
    ands.append(0 <= S[index][0])
    ands.append(S[index][last] + ivals[last] <= n)

    for i in range(last):
        ands.append(S[index][i] + ivals[i] < S[index][i+1])

    return ands



def fieldType(c, r, x, y, SX, SY, B):
    if len(SX[c]) == 0 or len(SY[r]) == 0:
        return (Not(B[r][c]))

    subphi = And(intervalphi(r, c, x[c], SX), intervalphi(c, r, y[r], SY))
    return (And(Implies(B[r][c], subphi), Implies(subphi, B[r][c])))



def intervalphi(inElem, fixElem, ivals, S):
    if len(ivals) == 1:
        return And(S[fixElem][0] <= inElem, inElem < S[fixElem][0] + ivals[0])
    else:
        return Or([ And(S[fixElem][i] <= inElem, inElem < S[fixElem][i] + ivals[i]) for i in range(len(ivals)) ])



# Parse input
def parseInitInfo():
    width, height = map(int, sys.stdin.readline().split())
    return width, height



def parseRows(n):
    rows = []
    for i in range(0,n):
        row = map(int, sys.stdin.readline().split())[:-1]
        rows.append(row)
    return rows



# ==================== MAIN ==================

# ============ Read from input =============
width, height = parseInitInfo()
y = parseRows(height)
x = parseRows(width)


# ========= Create variables for formula ===============
SX = [ [ Int('SX_' + str(i) + '_' + str(k)) for k in range(len(x[i])) ] for i in range(width) ]
SY = [ [ Int('SY_' + str(i) + '_' + str(k)) for k in range(len(y[i])) ] for i in range(height) ]
B = [ [ Bool('B_' + str(i) + '_' + str(k)) for k in range(width) ] for i in range(height) ]


print(SX)
print(SY)

# ============== Create formula ============
ands = []

# Create starts for intervals in rows and columns
for i in range(height):
    if (len(y[i]) > 0):
        ands.extend(starts(i, width, y[i], SY))

for i in range(width):
    if (len(x[i]) > 0):
        ands.extend(starts(i, height, x[i], SX))

# Create every field
for r in range(height):
    for c in range(width):
        ands.append(fieldType(c, r, x, y, SX, SY, B))

print(ands)


# ========= Calculate formula ===========
printEvaluation(And(ands), B, width, height, SX, SY)