#include<bits/stdc++.h>
using namespace std;
vector<string>lines;
char letters[6]={'x','a','b','c','d','e'};
int main()
{
    freopen("simple.in","r",stdin);
    freopen("simple.out","w",stdout);
    int a,b;
    cin>>a>>b;
    if(a==b)
    {
        cout<<0<<endl;
        return 0;
    }
    lines.push_back("o = x / x");//0(1)
    lines.push_back("a = x * x");//2
    lines.push_back("b = a * a");//4
    lines.push_back("c = b * b");//8
    lines.push_back("d = c * c");//16
    lines.push_back("e = d * d");//32
    char last='o';
    for(int j=0;j<6;j++)
    {
        if(a&(1<<j))
        {
            string line="w = ";
            line+=last;
            line+=" * ";
            line+=letters[j];
            lines.push_back(line);
            last='w';
        }
    }
    last='o';
    for(int j=0;j<6;j++)
    {
        if(b&(1<<j))
        {
            string line="q = ";
            line+=last;
            line+=" * ";
            line+=letters[j];
            lines.push_back(line);
            last='q';
        }
    }
    lines.push_back("x = w / q");
    cout<<lines.size()<<endl;
    for(auto xd:lines)
    {
        cout<<xd<<endl;
    }
return 0;
}