n=int(input())
a=[]
q=0
for i in range (n):
    a.append(list(input()))
    if q==0:
        if (a[i][0]=='O')and(a[i][0] == a[i][1]):
            a[i][0]='+'
            a[i][1]='+'
            q=1
        else:
            if (a[i][3]=='O')and(a[i][3] == a[i][4]):
                a[i][3]='+'
                a[i][4]='+'
                q=1
if q==0:
    print('NO')
else:
    print('YES')
    for i in range(n):
        print(''.join(a[i]))