#include <stdio.h>

int main()
{
    int N,K,l,i,j,count;
    printf("Nの値を入力:");
    scanf("%d",&N);
    printf("Kの値を入力:");
    scanf("%d",&K);

    count=0;
    
    int A[N],S[N][N];
    for(l=0;l<=N;l++){
        printf("%d番目の値を入力:",l);
        scanf("%d",&A[l]);
    }
    
    for(i=0;i<=N;i++){
        for(j=0;j<=N;j++){
            S[i][j]=(A[i]*A[j])%2;
            if(S[i][j]>=K){
                count++;
            }
        }
    }
    
    printf("%d\n",count);
    
    return 0;
    
}