S = str(input())

flg = False

if S=="keyence":
    print("OK")
else:
    for i in range(len(S)+1):
        
        for j in range(i,len(S)+1):
            
            temp = S[0:i]+S[j:]
            
            if temp =="keyence":
                flg = True
                break
                
        if flg == True:
            break
        
    if flg == True:
        print("YES")
    else:
        print("NO")
            