def main():
    import sys
    input = sys.stdin.read().split()
    N = int(input[0])
    B = list(map(int, input[1:N+1]))
    
    if N == 1:
        print("Yes")
        return
    
    # Compute the alternating sum S
    S = B[0]
    for i in range(1, N-1):
        if i % 2 == 1:
            S -= B[i]
        else:
            S += B[i]
    if S != B[-1]:
        print("No")
        return
    
    # Compute x_i
    x = []
    x.append(B[0])
    for i in range(1, N-1):
        next_x = B[i] - x[i-1]
        x.append(next_x)
    
    # Check if x[-1] == B[-1]
    if x[-1] != B[-1]:
        print("No")
        return
    
    # Check all x are non-negative
    for num in x:
        if num < 0:
            print("No")
            return
    
    print("Yes")

if __name__ == '__main__':
    main()