#include<bits/stdc++.h>
#include<cstdio>
#include<cstring>
using namespace std;
int main(){
	int n,a,b,c;
    char last,s[20],ans[20];
	scanf("%d\n",&n);
	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));
	}
	return 0;
}