s=list(input())
for i in range(len(s)):
    if s[i]!="x":
        s[i]="x"
print("".join(s)) s=list(input()) s list(input()) list input() input for i in range(len(s)):
    if s[i]!="x":
        s[i]="x" i range(len(s)) range len(s) len s if s[i]!="x":
        s[i]="x" s[i]!="x" s[i] s i "x" s[i]="x" s[i] s i "x" print("".join(s)) print "".join(s) "".join "" join s s=list(input()) list(input()) s
s=list(input())
for i in range(len(s)):
    if s[i]!="x":
        s[i]="x"
print("".join(s))
