Buggy python submission (verdict: Runtime Error):
X,K,D = map(int,input().split())
List = []

if abs(X) > K*D:
    print(abs(X) - K*D)
elif K == 1:
    print(min(abs(X-D),abs(X+D)))
elif K == 2:
    print(min(abs(X+D+D),abs(X-D-D),abs(X)))
elif K == 3:
    print(min(abs(X+D+D+D),abs(X+D),abs(X-D),abs(X-D-D-D)))
else:
    for i in range(3):
        if abs(X - D) >= abs(X+D):
            List.append(abs(X+D))
            X = X+D
        else:
            List.append(abs(X-D))
            X = X-D

    for i in range(K-3):
        if List[i] == List[i+2]:
            if K%2 == i%2:
                print(List[i+1])
            else:
                print(List[i])
            break
        else:
            if abs(X - D) >= abs(X+D):
                List.append(abs(X+D))
                X = X+D
            else:
                List.append(abs(X-D))
                X = X-D

    if len(List) == K:
        print(List[K-1])
    else:
        pass

Fixed submission:
S = input()
count = 0

if S.count("R") == 0:
    count = 0
elif S.count("R") == 1:
    count= 1
elif S.count("R") == 2:
    if S == "RSR":
        count = 1
    else:
        count = 2
else:
    count = 3
    
print(count)

Buggy python submission (verdict: Runtime Error):
X,K,D = map(int,input().split())
List = []

if K == 1:
    print(min(abs(X-D),abs(X+D)))
elif K == 2:
    print(min(abs(X+D+D),abs(X-D-D),abs(X)))
elif K == 3:
    print(min(abs(X+D+D+D),abs(X+D),abs(X-D),abs(X-D-D-D)))
else:
    for i in range(3):
        if abs(X - D) >= abs(X+D):
            List.append(abs(X+D))
            X = X+D
        else:
            List.append(abs(X-D))
            X = X-D

    for i in range(K-3):
        if List[i] == List[i+2]:
            if K%2 == i%2:
                print(List[i+1])
            else:
                print(List[i])
            break
        else:
            if abs(X - D) >= abs(X+D):
                List.append(abs(X+D))
                X = X+D
            else:
                List.append(abs(X-D))
                X = X-D

    if len(List) == K:
        print(List[K-1])
    else:
        pass

Fixed submission:
S = input()
count = 0

if S.count("R") == 0:
    count = 0
elif S.count("R") == 1:
    count= 1
elif S.count("R") == 2:
    if S == "RSR":
        count = 1
    else:
        count = 2
else:
    count = 3
    
print(count)

Buggy python submission (verdict: Runtime Error):
X,K,D = map(int,input().split())
List = []

if K == 1:
    print(min(abs(X-D),abs(X+D)))
elif K == 2:
    print(min(abs(X+D+D),abs(X-D-D),abs(X)))
elif K == 3:
    print(min(abs(X+D+D+D),abs(X+D),abs(X-D),abs(X-D-D-D)))
else:
    for i in range(3):
        if abs(X - D) >= abs(X+D):
            List.append(abs(X+D))
            X = X+D
        else:
            List.append(abs(X-D))
            X = X-D

    for i in range(K-3):
        if List[i] == List[i+2]:
            if K%2 == i%2:
                print(List[i+1])
            else:
                print(List[i])
            break
        else:
            if abs(X - D) >= abs(X+D):
                List.append(abs(X+D))
                X = X+D
            else:
                List.append(abs(X-D))
                X = X-D
    print(List[K-1])
                

Fixed submission:
S = input()
count = 0

if S.count("R") == 0:
    count = 0
elif S.count("R") == 1:
    count= 1
elif S.count("R") == 2:
    if S == "RSR":
        count = 1
    else:
        count = 2
else:
    count = 3
    
print(count)