a=[int(n) for n in input().split()] a.sort() b=[] for i in range(0,len(a)-1): if a[i+1]-a[i]>1: b.append(a[i]+1) num=int(''.join(map(str,sorted(b)))) print(num%7)
array=list(map(int,input().split()))
d10000=set(range(1,10001))#创建1-10000的set集合
loss=sorted(list(d10000-set(array)))#求出差集,即缺失的元素
new=int(''.join([str(i) for i in loss]))#得到新数字
print(new%7)#输出余数
l=set(range(1,10001))
s=set([int(x) for x in input().split()])
x,y,z=l-s
m=[]
if x<y:
m.append(x)
m.append(y)
else:
m.append(y)
m.append(x)
if z>m[-1]:m.append(z)
elif z<m[0]:m=[z]+m
else:m=[m[0]]+[z]+[m[1]]
x,y,z=[str(x) for x in m]
new=x+y+z
print(int(new)%7)
import sys while True: try: sum1='' str1=map(int,raw_input().split()) str1=set(str1) str2=[i for i in range(1,10001)] str2=set(str2) num=str2-str1 num1=[i for i in num] num1.sort() for i in range(len(num1)): sum1=sum1+str(num1[i]) sum1=int(sum1) result=sum1%7 print result except: break
if __name__ == '__main__': numberlist = input().split(' ') losenumber = [] for i in range(1,10000): tempnumber = str(i) if tempnumber not in numberlist: losenumber.append(i) if len(losenumber) == 3: break losenumber.sort() x = "" for j in range(len(losenumber)): x += str(losenumber[j]) end = int(x)%7 print (end)
a=list(map(int,input().split()))
notExists=[]
for i in range(1,10001):
if a[0]==i:a.pop(0)
else:notExists.append(i)
print(int("".join(list(map(str,sorted(notExists)))))%7)