#include <iostream>
using namespace std;
int main(int argc, const char * argv[]) {
    int arrays=0;
    int large=0;
    cin>>arrays>>large;
    int Terekhov[arrays][large];
    for(int i=0;i<arrays;i++){
        for(int j=0;j<large;j++){
            cin>>Terekhov[i][j];
        }
    }
   int Podkoritov[large];
    for(int i=0;i<large;i++){
        Podkoritov[i]=0;
    }
    int k=0;
    for(int j=0,i=0;(i<large)&&(j<large);){
        if(Terekhov[1][i]==Terekhov[2][j]){
            Podkoritov[k]=Terekhov[1][i];
            k++;
        }
        cout<<"suka";
        if(Terekhov[1][i]<Terekhov[2][j]){
            i++;
        } else{
            j++;
        }
        cout<<"ha"<<i<<j<<"ha";
        cout<<Terekhov[1][i]<<"-"<<Terekhov[2][j];
    }
    cout<<k;
    for(int i=0;i<k;i++){
        cout<<"korito-"<<Podkoritov[i];
    }
    return 0;
}