#include<bits/stdc++.h>
using namespace std;
struct b
{
	char s[100];
	int m,n,c;
}a[55];
char k;
int main()
{
	int n;
	cin>>n;
	for(int i=0;i<n;i++)
	{
		cin>>a[i].s;
		a[i].c+=2;
		if(isalpha(a[i].s[0]))
		{
			k=a[i].s[0];
			cin>>a[i].m>>a[i].n;
			int f=a[i].m,g=a[i].n;
			while(f>0)
			{
				a[i].c++;
				f/=10;
			}
			while(g>0)
			{
				a[i].c++;
				g/=10;
			}
		}
		
		else
		{
			a[i].m=atoi(a[i].s);
			cin>>a[i].n;
			int f=a[i].m,g=a[i].n;
			while(f>0)
			{
				a[i].c++;
				f/=10;
			}
			while(g>0)
			{
				a[i].c++;
				g/=10;
			}
		}
		if(k=='a')
		{
			int h=a[i].m+a[i].n;
			while(abs(h)>0)
			{
				a[i].c++;
				h/=10;
			}
			if(h<0)
			{
				a[i].c++;
			}
			cout<<a[i].m<<"+"<<a[i].n<<"="<<a[i].m+a[i].n<<endl;
		}
			
		else if(k=='b')
		{
			int h=a[i].m-a[i].n,u=abs(h);
			
			while(u>0)
			{
				a[i].c++;
				u/=10;
			}
			if(h<0)
			{
				a[i].c++;
			}
			cout<<a[i].m<<"-"<<a[i].n<<"="<<a[i].m-a[i].n<<endl;
			
		}
			
		else
		{
			int h=a[i].m*a[i].n;
			while(abs(h)>0)
			{
				a[i].c++;
				h/=10;
			}
			if(h<0)
			{
				a[i].c++;
			}
			cout<<a[i].m<<"*"<<a[i].n<<"="<<a[i].m*a[i].n<<endl;
		}
			
		cout<<a[i].c<<endl;
	}
	return 0;
}