/* */
#include <iostream> 
#include <cstdlib>
#include <cmath>
#define N 3
using namespace std;
int main(int argc, char *argv[])
{ int sumdiag=0, flag;
  int A[N][N];  
  for (int i=0; i<N; i++) {
    for (int j=0; j<N; j++) {
     cout<<"A["<<i<<"]["<<j<<"]= ?"; 
     cin>>A[i][j];
   } 
  }
  for (int i=0; i<N; i++) {
    for (int j=0; j<N; j++) {
     cout<<A[i][j];
   } 
   cout<<endl;
  }  
  for (int i=0; i<N; i++)
    sumdiag=sumdiag+A[i][i]+A[i][N-i-1]; 
  cout<<"sumdiag = "<<sumdiag<<endl; 
  flag=1;
  for (int i=0; i<N; i++) {
    for (int j=i+1; j<N; j++)
       if (A[i][j]!=0) {
       cout<<A[i][j];
       flag=0;break;
    }
    if (flag==0) break;
  }   
  if (flag==1) cout<<"einai KT"<<endl;
  else cout<<"den einai KT"<<endl;  
  system("PAUSE");
  return 0;
}