codeforces 707A A. Brain's Photos(水题)

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <bits/stdc++.h>
#include <stack>
#include <map>
 
using namespace std;
 
#define For(i,j,n) for(int i=j;i<=n;i++)
#define mst(ss,b) memset(ss,b,sizeof(ss));
 
typedef  long long LL;
 
template<class T> void read(T&num) {
    char CH; bool F=false;
    for(CH=getchar();CH<‘0‘||CH>‘9‘;F= CH==‘-‘,CH=getchar());
    for(num=0;CH>=‘0‘&&CH<=‘9‘;num=num*10+CH-‘0‘,CH=getchar());
    F && (num=-num);
}
int stk[70], tp;
template<class T> inline void print(T p) {
    if(!p) { puts("0"); return; }
    while(p) stk[++ tp] = p%10, p/=10;
    while(tp) putchar(stk[tp--] + ‘0‘);
    putchar(‘\n‘);
}
 
const LL mod=1e9+7;
const double PI=acos(-1.0);
const int inf=1e9+10;
const int N=1e5+10;
const int maxn=1e3+20;
const double eps=1e-12;

int main()
{
    int n,m,flag=1;
    char x,y;
    read(n);read(m);
    For(i,1,n)
    {
        For(j,1,m)
        {
            scanf("%c%c",&x,&y);
            if(x==‘C‘||x==‘M‘||x==‘Y‘)flag=0;
        }
    }
    if(flag)cout<<"#Black&White\n";
    else cout<<"#Color\n";
    return 0;
}