#include<bits/stdc++.h>
using namespace std;
int x,y,n;
char op,a[1000],b[1000];
int deal()
{
	switch(op)
	{
		case'+':return x+y;
		case'-':return x-y;
		case'*':return x*y;
	}
}
int main()
{
	scanf("%d\n",&n);
	while(n--)
	{
		fgets(a,sizeof(a),stdin);
		switch(a[0])
		{
			case'a':op='+';sscanf(a+2,"%d%d",&x,&y);break;
			case'b':op='-';sscanf(a+2,"%d%d",&x,&y);break;
			case'c':op='*';sscanf(a+2,"%d%d",&x,&y);break;
			default:sscanf(a+2,"%d%d",&x,&y);break;
		}
		sprintf(b,"%d%c%d=%d",x,op,y,deal());
		puts(b);
		printf("%d\n",strlen(b));
	}
	return 0;
}