import java.util.*;
import java.io.*;
import java.lang.*;

public class Main {
    static class Reader {
        final private int BUFFER_SIZE = 1 << 16;
        private DataInputStream din;
        private byte[] buffer;
        private int bufferPointer, bytesRead;

        public Reader() {
            din = new DataInputStream(System.in);
            buffer = new byte[BUFFER_SIZE];
            bufferPointer = bytesRead = 0;
        }

        public Reader(String file_name) throws IOException {
            din = new DataInputStream(new FileInputStream(file_name));
            buffer = new byte[BUFFER_SIZE];
            bufferPointer = bytesRead = 0;
        }

        public String readLine() throws IOException {
            byte[] buf = new byte[64]; // line length
            int cnt = 0, c;
            while ((c = read()) != -1) {
                if (c == '\n')
                    break;
                buf[cnt++] = (byte) c;
            }
            return new String(buf, 0, cnt);
        }

        public int nextInt() throws IOException {
            int ret = 0;
            byte c = read();
            while (c <= ' ')
                c = read();
            boolean neg = (c == '-');
            if (neg)
                c = read();
            do {
                ret = ret * 10 + c - '0';
            } while ((c = read()) >= '0' && c <= '9');

            if (neg)
                return -ret;
            return ret;
        }

        public long nextLong() throws IOException {
            long ret = 0;
            byte c = read();
            while (c <= ' ')
                c = read();
            boolean neg = (c == '-');
            if (neg)
                c = read();
            do {
                ret = ret * 10 + c - '0';
            } while ((c = read()) >= '0' && c <= '9');
            if (neg)
                return -ret;
            return ret;
        }

        public double nextDouble() throws IOException {
            double ret = 0, div = 1;
            byte c = read();
            while (c <= ' ')
                c = read();
            boolean neg = (c == '-');
            if (neg)
                c = read();

            do {
                ret = ret * 10 + c - '0';
            } while ((c = read()) >= '0' && c <= '9');

            if (c == '.') {
                while ((c = read()) >= '0' && c <= '9') {
                    ret += (c - '0') / (div *= 10);
                }
            }

            if (neg)
                return -ret;
            return ret;
        }

        private void fillBuffer() throws IOException {
            bytesRead = din.read(buffer, bufferPointer = 0, BUFFER_SIZE);
            if (bytesRead == -1)
                buffer[0] = -1;
        }

        private byte read() throws IOException {
            if (bufferPointer == bytesRead)
                fillBuffer();
            return buffer[bufferPointer++];
        }

        public void close() throws IOException {
            if (din == null)
                return;
            din.close();
        }
    }

    public static void main(String[] args) throws IOException{
        Reader scn = new Reader();
        StringBuilder res = new StringBuilder();
        int r1 = scn.nextInt();
        int r2 = scn.nextInt();
        int c1 = scn.nextInt();
        int c2 = scn.nextInt();
        int d1 = scn.nextInt();
        int d2 = scn.nextInt();

        int a = (r1 + c1 - d2) / 2;
        int b = (r1 + c2 - d1) / 2;
        int c = (r2 + c1 - d1) / 2;
        int d = (r2 + c2 - d2) / 2;

        
        
        if(a < 1 || a > 9 ||b < 1 || b > 9||c < 1 || c > 9||d < 1 || d > 9 ){
            res.append(-1);
        }else{
            int[] freq = new int[10];
            freq[a]++;
            freq[b]++;
            freq[c]++;
            freq[d]++;
            boolean isPoss = true;
            for(int i = 1 ; i <= 9 ; i++){
                if(freq[i] > 1){
                    isPoss = false;
                    break;
                }
            }

            if(isPoss){
                res.append(a + " " + b + "\n");
                res.append(c + " " + d);
            }else{
                res.append(-1);
            }
        }

        System.out.print(res);
    }
}