#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define FORR2(x,y,arr) for(auto& [x,y]:arr)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
template<class T> bool chmax(T &a, const T &b) { if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;}
//-------------------------------------------------------

int N;
string op[101];
ll A[101];

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>N;
	FOR(i,N) {
		cin>>op[i+1]>>A[i+1];
	}
	vector<string> S;
	int di=0;
	
	for(i=1;i<=N;i++) {
		if(op[i]=="+") {
			if(di==0) {
				S.push_back("add a A[" + to_string(i) + "] a");
			}
			else {
				S.push_back("mul z A[" + to_string(i) + "] y");
				S.push_back("add a a z");
			}
		}
		if(op[i]=="*") {
			S.push_back("mul a A[" + to_string(i) + "] a");
		}
		if(op[i]=="/") {
			if(di==0) {
				S.push_back("add y A[" + to_string(i) + "] y");
				di=1;
			}
			else {
				S.push_back("mul y A[" + to_string(i) + "] y");
			}
		}
	}
	if(di) S.push_back("div a a y");
	cout<<S.size()<<endl;
	FORR(s,S) cout<<s<<endl;
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	cout.tie(0); solve(); return 0;
}