백준 28074 모비스

https://www.acmicpc.net/problem/28074

28074번: 모비스

 

def solution(s):
    answer = False
    if 'M' in s and 'O' in s and 'B' in s and 'I' in s and 'S' in s:
        answer = True
    if answer:
        return 'YES'
    else:
        return 'NO'
 
 
if __name__ == '__main__':
    s = input()
    print(solution(s))