Tic Tac Toe

#include<stdio.h>

int main()
{
    int i,x,y,z,count=0,n1,n2,p1=0,p2=0;
    char st[9]={'1','2','3','4','5','6','7','8','9'};
again:
    for(i=0,x=0,y=1,z=2;i<3;i++,x+=3,y+=3,z+=3)
    {
        printf("\t %c | %c | %c\n",st[x],st[y],st[z]);
        if(i==0||i==1)
        {
            for(int j=0;j<1;j++)
            {
                printf("\t-----------\n");
            }
        }
    }

    if((st[0]==st[1]&&st[1]==st[2])||(st[0]==st[3]&&st[3]==st[6])||(st[6]==st[7]&&st[7]==st[8])||(st[2]==st[5]&&st[5]==st[8])||(st[0]==st[4]&&st[4]==st[8])||(st[2]==st[4]&&st[4]==st[6]))
{
    if(p1>p2)
        printf("\n Player 1 Wins\n");
    else
        printf("\n Player 2 Wins\n");
}
else if(count==9)
{
   printf("\nMath Draw\n");
}
else
    {
        if(p1==p2)
        {
            again1:
        printf("\nPlayer 1 ( X ) = ");
    scanf("%d",&n1);
    printf("\n");
      if(st[n1-1]=='X'||st[n1-1]=='O')
          {
              printf("Already Occupied!!\n\tTry Again..\n");
              goto again1;
          }
    st[n1-1]='X';
    p1++;
    count++;
        }
        else
        {
            again2:
          printf("\nPlayer 2 ( O ) = ");
    scanf("%d",&n2);
    printf("\n");
      if(st[n2-1]=='X'||st[n2-1]=='O')
          {
              printf("Already Occupied!!\n\tTry Again..\n");
              goto again2;
          }
    st[n2-1]='O';
    p2++;
    count++;
        }
        goto again;

    }

    return 0;
}