#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
 
int in(int val, const int* begin, const int* end){
    while(begin != end)
        if(*(begin++) == val) return 1;
    return 0;
}
 
int isSubset(const int* A, size_t Na, const int* B, size_t Nb){
    while(Na)
        if(in(A[--Na], B, B + Nb)) return 1;
    return 0;
}
 
int main(void) {
    size_t Na, Nb;
    scanf("%lu %lu", &Na, &Nb);
 
    int* A = (int*)calloc(Na, sizeof(int));
    int* B = (int*)calloc(Nb, sizeof(int));
 
    for(size_t i = 0; i < Na; i++)
        scanf("%d", A + i);
 
    for(size_t i = 0; i < Nb; i++)
        scanf("%d", B + i);
 
    printf("%s\n", isSubset(A, Na, B, Nb) ? "A in B" : "A not in B");
 
    free(A);
    free(B);
 
    return 0;
}
 

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4 1 3 2