换个格式输出整数

def solve(n):
    hundreds = n // 100
    tens = (n // 10) % 10
    ones = n % 10
    result = ''
    if hundreds > 0:
        result += 'B' * hundreds
    if tens > 0:
        result += 'S' * tens
    result += ''.join(str(i) for i in range(1, ones + 1))
    print(result)