# 自作ライブラリ
# https://github.com/takumi-okamoto/competitive-programming-public/tree/main/mylib

import sys


# sys.setrecursionlimit(10**8)


def debug(*args):
    print(*args, file=sys.stderr)


def main():
    h, w = map(int, input().split())
    for _ in range(h):
        s = input()
        print(s.replace("y9", "Y9").replace("9y", "9Y"))


if __name__ == "__main__":
    main()