public class TicTacToe {
    public int[] fields = new int[9];
    public int[] insert = new int[9];

    public void main(String[] args) {

        for ( int i = 0; i < 9; i++) {
            insert[i] = Integer.parseInt(args[i]);
         }
        for (int j = 0; j < 9; j++) {
            if (j % 2 == 1 ) {
                fields[insert[j]] = 1;
                if (checkWin(1) == true) {
                    System.out.println("P1 wins" + j);
                    break;
                }
            }
            else if (j % 2 == 0) {
                fields[insert[j]] = 2;
                if (checkWin(2) == true) {
                    System.out.println("P2 wins" + j);
                    break;
                }
            }
        }
     }

     public boolean checkWin(int player) {
        if (insert[4] != 0 ) {
            for (int k = 0; k < 3; k++) { //läuft in der ersten Runde 036 ab, dann 147, dann 258.
                if ( fields[k] == fields[ k + 3 ]  && fields[k] == fields[ k + 6 ] && fields[k] == player) {
                    return true;
                }
            }
            for (int m = 0; m < 9; m =  m + 3 ) { //läuft insgesamt drei mal da in der 1. Runde m=  0, 2.m=3, 3.m= 6.
                                                // Überprüft in 1. Runde 012, 2. 345, 3. 678.
                if ( fields[m] == fields[ m + 1 ]  && fields[m] == fields[ m + 2 ] && fields[m] == player) {
                    return true;
                }
            }
            if (fields[2] == fields[ 4 ]  && fields[2] == fields[ 6 ] && fields[2] == player) {
                return true;
            }
            if (fields[0] == fields[ 4 ]  && fields[0] == fields[ 8 ] && fields[0] == player) {
                return true;
            }
        }
        else {
            return false;
        }
     }
}