Buggy python submission (verdict: Runtime Error):
class Dice:
    def __init__(self):
        self.face = {12:3, 13:5, 14:2, 15:4, 21:4, 23:1, 24:6, 26:3, 31:2, 32:6, 35:1, 36:5, 41:5, 42:1, 45:6, 46:2, 51:3, 53:6, 54:1, 56:4, 62:4, 63:2, 64:5, 65:3}
    
    def right_face(self, face):
        return self.face[face]

d = Dice()
dice = [dice for dice in input().split()]
q = int(input())
for i in range(q):
    face = input().split()
    face = int("".join(face))
    n = d.right_face(face)
    print(dice[n-1])

Fixed submission:
class Dice:
    def __init__(self):
        self.face = {12:3, 13:5, 14:2, 15:4, 21:4, 23:1, 24:6, 26:3, 31:2, 32:6, 35:1, 36:5, 41:5, 42:1, 45:6, 46:2, 51:3, 53:6, 54:1, 56:4, 62:4, 63:2, 64:5, 65:3}
    
    def right_face(self, face):
        return self.face[face]

d = Dice()
dice = [dice for dice in input().split()]
q = int(input())
for i in range(q):
    face_up, face_front = input().split()
    face_up = dice.index(face_up)
    face_front = dice.index(face_front)
    face = str(face_up+1) + str(face_front+1)
    face = int(face)
    n = d.right_face(face)
    print(dice[n-1])

Buggy python submission (verdict: Runtime Error):
class Dice:
    def __init__(self):
        self.face = {12:3, 13:5, 14:2, 15:4, 21:4, 23:1, 24:6, 26:3, 31:2, 32:6, 35:1, 36:5, 41:5, 42:1, 45:6, 46:2, 51:3, 53:6, 54:1, 56:4, 62:4, 63:2, 64:5, 65:3}
    
    def right_face(self, face):
        return self.face[face]

d = Dice()
dice = [dice for dice in input().split()]
q = int(input())
for i in range(q):
    face = input().split()
    face = int("".join(face))
    n = d.right_face(face)
    print(dice[n-1])

Fixed submission:
class Dice:
    def __init__(self):
        self.face = {12:3, 13:5, 14:2, 15:4, 21:4, 23:1, 24:6, 26:3, 31:2, 32:6, 35:1, 36:5, 41:5, 42:1, 45:6, 46:2, 51:3, 53:6, 54:1, 56:4, 62:4, 63:2, 64:5, 65:3}
    
    def right_face(self, face):
        return self.face[face]

d = Dice()
dice = [dice for dice in input().split()]
q = int(input())
for i in range(q):
    face_up, face_front = input().split()
    face_up = dice.index(face_up)
    face_front = dice.index(face_front)
    face = str(face_up+1) + str(face_front+1)
    face = int(face)
    n = d.right_face(face)
    print(dice[n-1])

Buggy python submission (verdict: Runtime Error):
class Dice:
    def __init__(self):
        self.face = {12:3, 13:5, 14:2, 15:4, 21:4, 23:1, 24:6, 26:3, 31:2, 32:6, 35:1, 36:5, 41:5, 42:1, 45:6, 46:2, 51:3, 53:6, 54:1, 56:4, 62:4, 63:2, 64:5, 65:3}
    
    def right_face(self, face):
        return self.face[face]

d = Dice()
dice = [dice for dice in input().split()]
q = int(input())
for i in range(q):
    face = input().split()
    face = int("".join(face))
    n = d.right_face(face)
    print(dice[n-1])

Fixed submission:
class Dice:
    def __init__(self):
        self.face = {12:3, 13:5, 14:2, 15:4, 21:4, 23:1, 24:6, 26:3, 31:2, 32:6, 35:1, 36:5, 41:5, 42:1, 45:6, 46:2, 51:3, 53:6, 54:1, 56:4, 62:4, 63:2, 64:5, 65:3}
    
    def right_face(self, face):
        return self.face[face]

d = Dice()
dice = [dice for dice in input().split()]
q = int(input())
for i in range(q):
    face_up, face_front = input().split()
    face_up = dice.index(face_up)
    face_front = dice.index(face_front)
    face = str(face_up+1) + str(face_front+1)
    face = int(face)
    n = d.right_face(face)
    print(dice[n-1])