#include<stdio.h>

void run(void){
  int n,k,x;
  scanf("%d%d%d",&n,&k,&x);

  int A[100001];
  int B[100001];
  int D[100001];
  int i;
  for(i=1;i<=n;i++){
    D[i]=i;
  }
  for(i=1;i<x;i++){
    scanf("%d%d",A+i,B+i);
    int t=D[A[i]];
    D[A[i]]=D[B[i]];
    D[B[i]]=t;
  }

  while(getchar()!='\n');
  while(getchar()!='\n');

  for(i=x+1;i<=k;i++){
    scanf("%d%d",A+i,B+i);
  }

  int C[100001];
  for(i=1;i<=n;i++){
    scanf("%d",C+i);
  }
  for(i=k;i>x;i--){
    int t=C[A[i]];
    C[A[i]]=C[B[i]];
    C[B[i]]=t;
  }
  i=1;
  while(C[i]==D[i]){
    i++;
  }
  printf("%d",i);
  i++;
  while(C[i]==D[i]){
    i++;
  }
  printf(" %d\n",i);
  return;
}

int main(void){
  run();
  return 0;
}