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#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <map>
long long n,m;
int pla[2000][2000];
std::vector<std::map<char,int>> kol,wie;
std::vector<std::string> result;
int main() {
    std::ios_base::sync_with_stdio(0);
    std::cin.tie(NULL);
    std::cin>>n>>m;
    char x;
    wie.resize(n);
    kol.resize(m);
    for(int i=0;i<n;i++)
        for(int j=0;j<m;j++){

            std::cin>>x;
            //std::cout<<i<<j<<x<<std::endl;
            if(wie[i].count(x)==0)
                wie[i][x]=1;
            else
                wie[i][x]++;
            if(kol[j].count(x)==0)
                kol[j][x]=1;
            else
                kol[j][x]++;
            pla[i][j]=x;
        }
    int wi=n;
    int ko=m;
    while(wi!=0 && ko!=0){
        //std::cerr<<wi<<" "<<ko<<std::endl;
        for(int i=0;i<m;i++)
            if(!kol[i].empty()&& kol[i].begin()->second==wi) {
                char kolor= kol[i].begin()->first;
                result.emplace_back("K " + std::to_string(i + 1) + " " + kolor);
                //std::cout<<result.back()<<std::endl;
                for(int j=0;j<n;j++) {
                    if(wie[j][pla[j][i]]==1)
                        wie[j].erase(pla[j][i]);
                    else
                        wie[j][pla[j][i]]--;
                }
                kol[i][kolor]=1000000;
                ko--;
            }
        for(int i=0;i<n;i++)
            if(!wie[i].empty()&& wie[i].begin()->second==ko) {
                //std::cout<<wie[i].size()<<std::endl;
                char kolor= wie[i].begin()->first;
                result.emplace_back("R " + std::to_string(i + 1) + " " + kolor);
                //std::cout<<result.back()<<std::endl;
                for(int j=0;j<m;j++) {
                    if(kol[j][pla[i][j]]==1)
                        kol[j].erase(pla[i][j]);
                    else
                        kol[j][pla[i][j]]--;
                }
                wie[i][kolor]=1000000;
                wi--;
            }
    }
    std::cout<<result.size()<<std::endl;
    for(int i=result.size()-1;i>=0;i--){
        std::cout<<result[i]<<std::endl;
    }






}