#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,b,c,n;
	char last,s[20],ans[20];
	scanf("%d",&n);
	getchar();
	while(n--)
	{
		fgets(s,sizeof(s),stdin);
		if(s[0]=='a'||s[0]=='b'||s[0]==c)
		{
			last=s[0];
			s[0]=' ';
		}
		sscanf(s,"%d %d",&a,&b);
		switch(last)
		{
			case 'a':c=a+b;sprintf(ans,"%d+%d=%d",a,b,c);break;
			case 'b':c=a-b;sprintf(ans,"%d-%d=%d",a,b,c);break;
			case 'c':c=a*b;sprintf(ans,"%d*%d=%d",a,b,c);break;
		}
		printf("%s\n%d\n",ans,strlen(ans));
	}
}