Language: C

#include<stdio.h>
int main(){
int A[3][3];
int N,x=0,y=0,z=0;
  
  for(int i=0;i<3;i++){
     for(int j=0;j<3;j++){
     	scanf("%d",&A[i][j]);
     }
  }

scanf("%d",&N);
int b[N];
  
  for(int k=0;k<N;k++){
  	scanf("%d",&b[k]);
  }
  
  for(int i=0;i<N;i++){
  	if(A[0][0]==b[i]) x=1;
  	if(A[1][1]==b[i]) y=1;
  	if(A[2][2]==b[i]) z=1;
 
    if(A[0][0]==b[i]) x1=1;
    if(A[0][1]==b[i]) y1=1;
    if(A[0][2]==b[i]) z1=1;
    
    if(A[1][0]==b[i]) x2=1;
    if(A[1][1]==b[i]) y2=1;
    if(A[1][2]==b[i]) z2=1;
    
    if(A[2][0]==b[i]) x3=1;
    if(A[2][1]==b[i]) y3=1;
    if(A[2][2]==b[i]) z3=1;
    
    if(A[0][0]==b[i]) x4=1;
    if(A[1][0]==b[i]) y4=1;
    if(A[2][0]==b[i]) z4=1;
    
    if(A[0][1]==b[i]) x5=1;
    if(A[1][1]==b[i]) y5=1;
    if(A[2][1]==b[i]) z5=1;
    
    if(A[0][2]==b[i]) x3=1;
    if(A[1][2]==b[i]) y3=1;
    if(A[2][2]==b[i]) z3=1;
  }
  
  if(x==1&&y==1&&z==1)
  	printf("Yes");
  else
  	printf("No");
  
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:24:23: error: 'x1' undeclared (first use in this function); did you mean 'x'?
   24 |     if(A[0][0]==b[i]) x1=1;
      |                       ^~
      |                       x
main.c:24:23: note: each undeclared identifier is reported only once for each function it appears in
main.c:25:23: error: 'y1' undeclared (first use in this function); did you mean 'y'?
   25 |     if(A[0][1]==b[i]) y1=1;
      |                       ^~
      |                       y
main.c:26:23: error: 'z1' undeclared (first use in this function); did you mean 'z'?
   26 |     if(A[0][2]==b[i]) z1=1;
      |                       ^~
      |                       z
main.c:28:23: error: 'x2' undeclared (first use in this function); did you mean 'x'?
   28 |     if(A[1][0]==b[i]) x2=1;
      |                       ^~
      |                       x
main.c:29:23: error: 'y2' undeclared (first use in this function); did you mean 'y'?
   29 |     if(A[1][1]==b[i]) y2=1;
      |                       ^~
      |                       y
main.c:30:23: error: 'z2' undeclared (first use in this function); did you mean 'z'?
   30 |     if(A[1][2]==b[i]) z2=1;
      |                       ^~
      |                       z
main.c:32:23: error: 'x3' undeclared (first use in this function); did you mean 'x'?
   32 |     if(A[2][0]==b[i]) x3=1;
      |                       ^~
      |                       x
main.c:33:23: error: 'y3' undeclared (first use in this function); did you mean 'y'?
   33 |     if(A[2][1]==b[i]) y3=1;
      |                       ^~
      |                       y
main.c:34:23: error: 'z3' undeclared (first use in this function); did you mean 'z'?
   34 |     if(A[2][2]==b[i]) z3=1;
      |                       ^~
      |                       z
main.c:36:23: error: 'x4' undeclared (first use in this function); did you mean 'x'?
   36 |     if(A[0][0]==b[i]) x4=1;
      |                       ^~
      |                       x
main.c:37:23: error: 'y4' undeclared (first use in this function); did you mean 'y'?
   37 |     if(A[1][0]==b[i]) y4=1;
      |                       ^~
      |                       y
main.c:38:23: error: 'z4' undeclared (first use in this function); did you mean 'z'?
   38 |     if(A[2][0]==b[i]) z4=1;
      |                       ^~
      |                       z
main.c:40:23: error: 'x5' undeclared (first use in this function); did you mean 'x'?
   40 |     if(A[0][1]==b[i]) x5=1;
      |                       ^~
      |                       x
main.c:41:23: error: 'y5' undeclared (first use in this function); did you mean 'y'?
   41 |     if(A[1][1]==b[i]) y5=1;
      |                       ^~
      |                       y
main.c:42:23: error: 'z5' undeclared (first use in this function); did you mean 'z'?
   42 |     if(A[2][1]==b[i]) z5=1;
      |                       ^~
      |                       z