#include <bits/stdc++.h>

using namespace std;
#define int long long
const int p=998244353;
int po(int a,int b) {if(b==0) return 1; if(b==1) return a; if(b%2==0) {int u=po(a,b/2);return (u*1LL*u)%p;} else {int u=po(a,b-1);return (a*1LL*u)%p;}}
int inv(int x) {return po(x,p-2);}
mt19937 rnd;
#define app push_back
#define all(x) (x).begin(),(x).end()
#ifdef LOCAL
#define debug(...) [](auto...a){ ((cout << a << ' '), ...) << endl;}(#__VA_ARGS__, ":", __VA_ARGS__)
#define debugv(v) do {cout<< #v <<" : {"; for(int izxc=0;izxc<v.size();++izxc) {cout << v[izxc];if(izxc+1!=v.size()) cout << ","; }cout <<"}"<< endl;} while(0)
#else
#define debug(...)
#define debugv(v)
#endif
#define lob(a,x) lower_bound(all(a),x)
#define upb(a,x) upper_bound(all(a),x)
#define print(x) cout<<(x)<<'\n'
#define suma(a) accumulate(all(a),0LL)
#define maxpos(a) max_element(all(a))-a.begin()
#define minpos(a) min_element(all(a))-a.begin()
#define maxa(a) *max_element(all(a))
#define mina(a) *min_element(all(a))
int32_t main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int q;cin>>q;
    vector<vector<string> > oper;
    auto make=[&](string a,string b,string c,string d) {
        oper.app({a,b,c,d});
    };
    auto f=[&](int i) {
        string s="A[";
        s+=to_string(i+1);
        s.app(']');
        return s;
    };
    bool flag=0;
    for(int i=0;i<q;++i) {
        char c;int x;cin>>c>>x;
        if(c=='+') {
            if(flag) {
            make("mul","c","b",f(i));
            make("add","a","a","c");
            }
            else {
                make("add","a","a",f(i));
            }
        }
        else if(c=='*') {
            make("mul","a","a",f(i));
        }
        else {
            if(flag) {
            make("mul","b","b",f(i));
            }
            else {
            flag=1;
            make("add","b","b",f(i));
            }
        }
    }
    if(flag) make("div","a","a","b");
    cout<<oper.size()<<'\n';
    for(auto h:oper) {
        for(string s:h) cout<<s<<' ';
        cout<<'\n';
    }
    return 0;
}