import sys

import numpy as np

h, w = map(int, sys.stdin.readline().split())
grid = np.array(
    [list(sys.stdin.readline().rstrip()) for _ in range(h)], dtype="U1"
)
grid = np.pad(grid, 1, "constant")


def main():
    d = [(-1, 0), (0, -1), (1, 0), (0, 1)]
    cnt = np.zeros_like(grid, dtype=np.int8)
    for i in range(1, h + 1):
        for j in range(1, w + 1):
            if grid[i][j] == ".":
                continue
            for dy, dx in [
                (dy, dx) for dy in range(-1, 2) for dx in range(-1, 2)
            ]:
                cnt[i + dy][j + dx] += 1
    cnt = cnt.astype("U1")
    cnt[grid == "#"] = "#"
    cnt = cnt[1:-1, 1:-1]
    for i in range(h):
        print("".join(cnt[i]))


if __name__ == "__main__":
    main()
