N = int(input())
OP = [list(input().split()) for _ in range(N)]

ans = []
ans.append(("add", "b", "b", "A[1]"))
for i, (op, A) in enumerate(OP):
    A = int(A)
    if op == "+":
        ans.append(("mul", "c", "A["+str(i+1)+"]", "b"))
        ans.append(("add", "a", "a", "c"))
    elif op == "*":
        ans.append(("mul", "a", "a", "A["+str(i+1)+"]"))
    else:
        ans.append(("mul", "b", "b", "A["+str(i+1)+"]"))
ans.append(("div", "a", "a", "b"))

print(len(ans))
for a in ans:
    print(*a)