from functools import reduce
s=input()
t=[c for c in s]
for i in range(0,len(t)-6):
    if t[i]=="t":
        if t[i+1]=="r":
            if t[i+2]=="e":
                if t[i+3]=="e":
                    if t[i+4]=="o":
                        if t[i+5]=="n":
                            if t[i+6]=="e":
                                t[i]="f"
                                t[i+1]="o"
                                t[i+2]="r"
                                t[i+3]="e"
                                t[i+4]="s"
                                t[i+5]="t"
                                t[i+6]=" "
while " " in t:
    t.remove(" ")
print(reduce(lambda x, y: x + y, [str(x) for x in t]))