using System.Diagnostics; class Program { static string ReadLine() => Console.ReadLine().Trim(); static int ReadInt() => int.Parse(ReadLine()); static long ReadLong() => long.Parse(ReadLine()); static int[] ReadIntArray() { string str = ReadLine(); return str != "" ? str.Split().Select(_ => int.Parse(_)).ToArray() : new int[0]; } static long[] ReadLongArray() { string str = ReadLine(); return str != "" ? str.Split().Select(_ => long.Parse(_)).ToArray() : new long[0]; } static (int a, int b) ReadInt2() { int[] vs = ReadIntArray(); return (a: vs[0], b: vs[1]); } static (int a, int b, int c) ReadInt3() { int[] vs = ReadIntArray(); return (a: vs[0], b: vs[1], c: vs[2]); } static (int a, int b, int c, int d) ReadInt4() { int[] vs = ReadIntArray(); return (a: vs[0], b: vs[1], c: vs[2], d: vs[3]); } static (long a, long b) ReadLong2() { long[] vs = ReadLongArray(); return (a: vs[0], b: vs[1]); } static (long a, long b, long c) ReadLong3() { long[] vs = ReadLongArray(); return (a: vs[0], b: vs[1], c: vs[2]); } static (long a, long b, long c, long d) ReadLong4() { long[] vs = ReadLongArray(); return (a: vs[0], b: vs[1], c: vs[2], d: vs[3]); } static void Main() { SourceExpander.Expander.Expand(); (int H, int W) = ReadInt2(); List vs = new List(); for (int i = 0; i < H; i++) { string s = ReadLine(); s = s.Replace("y9", "Y9"); s = s.Replace("9y", "9Y"); vs.Add(s); } foreach(string s in vs) Console.WriteLine(s); } } #region Expanded by https://github.com/kzrnm/SourceExpander namespace SourceExpander{public class Expander{[Conditional("EXP")]public static void Expand(string inputFilePath=null,string outputFilePath=null,bool ignoreAnyError=true){}public static string ExpandString(string inputFilePath=null,bool ignoreAnyError=true){return "";}}} #endregion Expanded by https://github.com/kzrnm/SourceExpander