Codeforce 707 A. Brain's Photos

链接http://codeforces.com/problemset/problem/707/A

#include<stdio.h>
#include<iostream>
using namespace std;
char f[110][110];
int ok=1;
int main(){
    int n,m;
    cin>>n>>m;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>f[i][j];
            if(f[i][j]=='C'||f[i][j]=='M'||f[i][j]=='Y'){
                ok=0;
            }
        }
    }
    if(ok)
    printf("#Black&White\n");
    else 
    printf("#Color\n");

    return 0;
}