# n=int(input())
# print(((n%10*10)+(n//10))*2%100)
# if ((n%10*10)+(n//10))*2%100<=50:
# print('GOOD')
# else:
# print('OH MY GOD')
# n=int(input())
# if n>0:
# print('양수')
# elif n<0:
# print('음수')
# else:
# print('0')
# p=int(input())
# if p>=90:
# print('A')
# elif p>=80:
# print('B')
# elif p>=70:
# print('C')
# elif p>=60:
# print('D')
# elif p<60:
# print('F')
# f=int(input())
# if f<=10:
# print('정상')
# elif f<=20:
# print('과체중')
# else:
# print('비만')
# e=int(input())
# if 10<e<14 or e%10>=4 or e%10==0:
# print(e,'th',sep='')
# elif e%10==1:
# print(e,'st',sep='')
# elif e%10==2:
# print(e,'nd',sep='')
# else:
# print(e,'rd',sep='')
# a,b=map(int,input().split())
# if a%b==0:
# x=a//b
# print(b,'*',x,'=',a,sep='')
# elif b%a==0:
# x=b//a
# print(a,'*',x,'=',b,sep='')
# else:
# print('none')
# a,b,c,d=map(int,input().split())
# e=a+b+c+d
# if e==1:
# print('도')
# elif e==2:
# print('개')
# elif e==3:
# print('걸')
# elif e==4:
# print('윷')
# else:
# print('모')
# a,b=map(int,input().split())
# if a==1:
# a=400
# elif a==2:
# a=340
# elif a==3:
# a=170
# elif a==4:
# a=100
# else:
# a=70
# if b==1:
# b=400
# elif b==2:
# b=340
# elif b==3:
# b=170
# elif b==4:
# b=100
# else:
# b=70
# if a+b>500:
# print('angry')
# else:
# print('no angry')
# l,m,n=map(int,input().split())
# c=(l if (l<m) else m)
# d=(c if (c<n) else n)
# a=(l if (l>m) else m)
# b=(a if (a>n) else n)
# f=(c if (c>n) else n)
# e=(l if (l>m) else m)
# g=(f if (f<e) else e)
# if b<g+d:
# print('yes')
# else:
# print('no')
# y,m=map(int,input().split())
# if m==1 or m==3 or m==5 or m==7 or m==8 or m==10 or m==12:
# print('31')
# elif m==4 or m==6 or m==9 or m==11:
# print('30')
# elif m==2:
# if y%400==0 or y%4==0 and y%100!=0:
# print('29')
# else:
# print('28')
# a,b,c=map(int,input().split())
# d=(('do not advertise') if (a>b-c) else ('does not matter') if (a==b-c) else ('advertise'))
# print(d)