print("Task 1")
a=int(input("a="))
b=int(input("b="))
if (a+b<100) and ((a+b)//10+(a+b)%10)%2==0:
  print("True")
else:
  print("Error")
print()
print("Task 2")
lst=[]
for i in range (0,7):
  lst.append(int(input("b=")))
print(lst)
s=0
a=0
for i in lst:
  for j in range(i+1,len(lst)):
    for k in range(i+2, len(lst)):
      s=lst[i]+lst[j]+lst[k]
      if s>15:
        a=a+1
        print(lst[i],lst[j],lst[k])
        continue
if a==0:
  print("0")
print()
print("task 3")
lst=[]
for i in range(100,9,-1):
  if i%7==0:
    lst.append(i)
print(lst)
print()
print("task 4")
lst=[]
t=int
while True:
  b=int(input("B="))
  if b!=t:
    lst.append(b)
  else:
    break
  t=b
print(lst)
print()
print("Task 5")
def trm(v1,v2,v3):
  if v1>(v2+v3):
    return(v1)
  elif v2>(v1+v3):
    return(v2)
  elif v3>(v1+v2):
    return(v3)
  else:
    return(0)
a=int(input("a="))
b=int(input("b="))
c=int(input("c="))
print(trm(a,b,c))
print()
print("Task 6")
def fun(v1):
  r=0
  for i in range(100,1000):
    if ((i//100)**2+(i%10)**2+((i%100)//10)**2)>i:
      r=r+1
      if r>v1:
        break
      else:
        return(i)
    else:
      continue
n=int(input("N="))
print(fun(n))