rt，代码如下：

a,b,c,d,x,y,z=654,758392,574853,17461,476,7825694385,583
try:
    rrr=input()
    rrr=rrr[:-1]
    eval(rrr)
    print('YES')
except:
    print('NO')

#10如下：

(1*(1+1)*(a+1)/(1+1)/(1+2*(1/2)+1))@

本地输出YES，洛谷显示输出NO