def main():

    number=input()

    li=[]

    for i in range(int(number)):

        li.append(list(input()))

    for i in range(int(number)):

        for j in range(int(number)):

            temp =

            if li[i][j]=='.':

                if i->= and j->=:

                    if li[i-][j-]=='*':

                        temp+=

                if i->=:

                    if li[i-][j]=='*':

                        temp+=

                if i->= and j+<=int(number)-:

                    if li[i-][j+]=='*':

                        temp+=

                if j->=:

                    if li[i][j-]=='*':

                        temp +=

                if j+<=int(number)-:

                    if li[i][j+]=='*':

                        temp +=

                if i+<=int(number)- and j->=:

                    if li[i+][j-]=='*':

                        temp +=

                if i+<=int(number)-:

                    if li[i+][j]=='*':

                        temp+=

                if i+<=int(number)- and j+<=int(number)-:

                    if li[i+][j+]=='*':

                        temp+=

                li[i][j]=temp

    for i in li:

        for j in i:

            print(j,end="")

        print()

if __name__ == '__main__':

    main()