''' a, b =input().split() a = int(a) b = int(b) c = 0 if a < 150 : c = a - 100 elif 150<= a <160 : c = (((a-150)/2) + 50) else : c = ((a-100)*0.9) d = (b-c)*100/c if d <= 10 : print("정상") elif 10 < d <= 20 : print("과체중") else : print("비만") ''' ''' a, b = input().split() a = int(a) b = int(b) for i in range(a, b+1) : if i%2 != 0 : print('+',end='') print(i,end='') else : print(-i,end='') print("=", end='') c = (b+-a+1) if a%2 == 0 : if a==b : print(-a, end='') elif c%2 != 0 : print(-a-((c)//2), end='') else : print(c/2, end='') else : if a==b : print(a, end='') elif c%2 != 0 : if (c-3)%2 == 0 : print((a+b)//2, end='') else : print(-(c//2), end='') ''' ''' a, b = input().split() a = int(a) b = int(b) r = '' s = 0 for i in range(a, b+1): if i%2==0: r = r + '-' r = r + str(i) s = s - i else: r = r + '+' r = r + str(i) s = s + i r = r + '=' r = r + str(s) print(r,end='') ''' ''' a, b = input().split() a = int(a) b = int(b) r = '' s = 0 if a == b : for i in range(a, b+1) : if i % 2 == 0: r = r + '-' r = r + str(i) s = s - i else: r = r r = r + str(i) s = s + i r = r + "=" r = r + str(s) print(r) else : for i in range(a+1, b+1) : if i%2==0 : r = r + '-' r = r + str(i) s = s - i else : r = r + '+' r = r + str(i) s = s + i if a%2 == 0 : s = s - a r = r + "=" r = r + str(s) print(str(-a) + r) else : s = s + a r = r + "=" r = r + str(s) print(str(a)+r) ''' ''' a, b = input().split() a = int(a) b = int(b) r = '' s = 0 for i in range(a, b+1): if i%2==0: r = r + '-' r = r + str(i) s = s - i else: if i != a: r = r + '+' r = r + str(i) s = s + i r = r + '=' r = r + str(s) print(r,end='') ''' ''' s = 0 while True: k = int(input()) if k == 0 : break s += k print(s) '''

''' a, b = input().split() print(a, b) ''' ''' a, b = input().split() print(b, a) ''' ''' a, b = input().split() a = int(a) b = int(b) print(a+b) ''' ''' a = int(input()) if a > 10: print("BIG!!!!") print("asdasdasd") print("asdasdas") elif a > 5: print("asdasd") elif a > 0: print("adsasd") else : print("SMALLLL!!!") print("SDGTGT") print('-----------') if a > 100: if a > 500: print("aaa") else: print("BB") else: ''' ''' a = int(input()) if a < 10 : print("small") else : print("big") ''' ''' a, b = input().split() a = int(a) b = int(b) if a > b : print(">") elif a < b : print("<") else : print("=") ''' ''' a, b = input().split() a = int(a) b = int(b) if a>b : print(a-b) else : print(b-a) ''' ''' a = int(input()) if a%7 == 0 : print("multiple") else : print("not multiple") ''' ''' a, b, c = input().split() a = int(a) b = int(b) c = int(c) if a + b >= c : if a == b and b == c: print("정삼각형") elif a == b or b == c or a == c: print("이등변삼각형") elif a * a + b * b == c * c: print("직감삼각형") else: print("삼각형") else : print("삼각형 아님") ''' ''' n = int(input()) a = int(n/10) b = int(n - a*10) c = a + 10*b d = int(c * 2 - 100) if c*2 <= 50 : print(c*2) print("GOOD") elif c*2 > 100 : if d <= 50 : print(d) print("GOOD") else : print(d) print("OH MY GOD") else : print(c*2) print("OH MY GOD") ''' ''' a, b = input().split() a = int(a) b = int(b) if a == 0 : if b >= 30: print(a, b - 30) else: if b + 30 >= 60: print(23, b - b / 10) else: print(23, b + 30) elif b >= 30 : print(a, b-30) else : if b + 30 >= 60 : print(a-1, b-b/10) else : print(a-1, b+30) ''' ''' a, b = input().split() if b>=30: print(a, b-30) else: if a==0: else: ''' ''' a, b, c = input().split() a = int(a) b = int(b) c = int(c) if a>b and a>c: if b>c: print(b) else: print(c) elif b>a and b>c : if a>c : print(a) else : print(c) else: if b>a : print(b) else : print(a) '''

''' print("Hello") ''' ''' print("Hello World") ''' ''' print("Hello") print("World") ''' ''' print("'Hello'") ''' ''' print("\"Hello World\"") ''' ''' print("\"!@#$%^&*()\"") ''' ''' print("\"C:\Download\hello.cpp\"") ''' ''' a = int(input()) b = int(input()) print(a+b) ''' ''' a, b = input().split() a = int(a) b = int(b) # a = float(a) # a = chr(a) # a = ord(a) ''' ''' a = int(input()) print(a) ''' ''' a = input() print(a) ''' ''' a = float(input()) print(format(a, '.6f')) ''' ''' a, b = input().split() a = int(a) b = int(b) print(a, b) ''' ''' a, b = input().split() print(b, a) ''' ''' a = float(input()) print(format(a, '.2f')) ''' '''' a = int(input()) a = int(a) print(a, a, a) ''' ''' a = input() print(a) ''' ''' a, b = input().split() a = int(a) b = int(b) print(a+b) ''' ''' a, b = input().split() a = int(a) b = int(b) print(a+b) ''' ''' a = int(input()) print (-a) ''' ''' a = input() a = ord(a) print(chr(a+1)) ''' ''' a, b = input().split() a = int(a) b = int(b) print(int(a/b)) ''' ''' a, b = input().split() a = int(a) b = int(b) print(int(a%b)) ''' ''' a = int(input()) print(a+1) ''' ''' a, b = input().split() a = int(a) b = int(b) print(a+b, a-b, a*b, int(a/b), a%b, format((a/b),'.2f')) ''' ''' a, b, c =input().split() a =int(a) b =int(b) c =int(c) f=(a+b+c) print(f,format((f/3),'.1f')) ''' ''' a = int(input()) m = int(a/60) s = a%60 print(m, s) ''' ''' a = int(input()) print(format((a*9/5+32),'.3f')) ''' ''' a, b = input().split() a = int(a) b = int(b) ra = a==1 rb = b==1 print((ra or rb) and not(ra and rb)) ''' ''' a, b = input().split() a = int(a) b = int(b) ra = a==1 rb = b==1 print((ra and rb) or not(ra or rb)) ''' ''' a, b = input().split() a = int(a) b = int(b) ra = a==1 rb = b==1 print(not(ra or rb)) '''