427B - Prison Transfer - CodeForces Solution

arr = input()
arr1 = input()

firstRow = list(map(int,arr.split(' ')))
secondRow = list(map(int,arr1.split(' ')))
ans =0

tempSegmant =0

for pres in secondRow:
    if pres <= firstRow[1]:
        tempSegmant = tempSegmant + 1
    else:
        tempSegmant =0
    if tempSegmant >= firstRow[2]:
        ans = ans + 1
print(ans)