func_code: def weird_case(lines):
      lines = input()
      lines = lines.upper().split()
      a = lines[0]
      b = lines[1]
      c = lines[2]
      a1 = ''
      b2 = ''
      c3 = ''
      i = 0
      while i < len(a):
          if i % 2 == 0:
              a1 += a[i]
          else:
              a1 += a[i].lower()
          i = i + 1
      i = 0
      while i < len(b):
          if i % 2 == 0:
              b2 += b[i]
          else:
              b2 += b[i].lower()
          i = i + 1
      i = 0
      while i < len(c):
          if i % 2 != 0:
              c3 += c[i]
          else:
              c3 += c[i].lower()
          i = i + 1
      return a1, b2, c3