
#include<stdio.h>
int main(){
int n, m;
scanf("%d %d", &n, &m);
int value[n];
int count, maxCount = 0;
for(int i = 0; i < n; i++)
{
scanf("%d", &value[i]);
}
for(int i = 0; i < n; i++)
{
if(value[i] > m)
count++;
else
count = 0;
if(count > maxCount) maxCount = count;
}
if(maxCount == 0)
maxCount = -1;
printf("%d", maxCount);
return 0;
}
