f,a,N=0,[0],int(input());b=a.append
for i in range(1,N+1):
    o=input()[0]
    if o=='+'and f:
        if f:b(f'mul c b A[{i}]');b('add a a c')
        else:b(f'add a a A[{i}]')
    elif o=='*':b((f'mul a a A[{i}]'))
    else:b(('mul'if f else'add')+f' b b A[{i}]');f=1
if f:b('div a a b')
a[0]=len(a)-1;print(*a,sep='\n')