#!/usr/bin/env python3
 
d = [(i, j) for i in (-1, 0, 1) for j in (-1, 0, 1)]
 
def ans(s):
    tmp = [[1 if j == '#' else 0 for j in i] for i in s]
    def process(i, j, k):
        m, n = i + k[0], j + k[1]
        if m < 0 or n < 0:
            return 0
        else:
            try:
                return tmp[m][n]
            except IndexError:
                return 0
    return [[sum([process(i, j, k) for k in d]) for j in range(len(s[0]))] for i in range(len(s))]
 
if __name__ == '__main__':
    n, m = [int(i) for i in input().split()]
    s = [list(input())[0:m] for j in range(n)]
    [print("".join([str(j) for j in i])) for i in ans(s)]
 

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MTAgMTIKIy4jIy4uIy4uLiMjCiMuLiMuLiMjLi4uIwojIy4jLi4uLiMjLiMKLiMuLiMjIy4uLiMuCiMuLiMuLiMuLi4jIwojIyMuLi4jLi4jIyMKLiMjIy4jIyMjIyMjCi4jLi4jLi4uLiMjIwouIy4jIy4uIyMjIy4KLiMjIy4uLi4jLi4jCg==

10 12
#.##..#...##
#..#..##...#
##.#....##.#
.#..###...#.
#..#..#...##
###...#..###
.###.#######
.#..#....###
.#.##..####.
.###....#..#