#include<stdio.h>
#include<string.h>
char x[1001]={};
int main()
{
	int i,t=0,N,k,m=0,n=0,s,u=0,j;
	scanf("%d",&N);
	getchar();
	for(i=0;i<N;i++){
		fgets(x,1001,stdin);
		int l=strlen(x);
		//printf("%d",l);
		for(j=0;j<l;j++){
			if(x[j]>='0'&&x[j]<='9'&&t==0){
				m*=10;m+=x[j]-'0';
			}
			if(x[j-1]>='0'&&x[j-1]<='9'&&x[j]==' ') {
				t=1;
			}
			else if(x[j]>='0'&&x[j]<='9'&&t==1){
				n*=10;n+=x[j]-'0';
			}
		}
		if(x[0]=='a'){
			k=1;
			s=m+n;
			do{
			s/=10;u++;
			}while(s);
			s=m+n;
		}
		else if(x[0]=='b'){
			k=2;
			s=m-n;
			do{
			s/=10;u++;
			}while(s);
			s=m-n;
		}
		else if(x[0]=='c'){
			k=3;
			s=m*n;
			do{
			s/=10;u++;
			}while(s);
			s=m*n;
		}
		else{
			if(k==1){
			s=m+n;
			do{
				s/=10;u++;
			}while(s);
			s=m+n;
			}
			else if(k==2){
			s=m-n;
			do{
				s/=10;u++;
			}while(s);
			s=m-n;
			}
			else{
			s=m*n;
			do{
				s/=10;u++;
			}while(s);
			s=m*n;
			}
		}
		if(k==1) printf("%d+%d=%d\n",m,n,s);
		else if(k==2) printf("%d-%d=%d\n",m,n,s);
		else if(k==3) printf("%d*%d=%d\n",m,n,s);
		if(s<0){
            if(x[0]>='0'&&x[0]<='9') printf("%d\n",l+u+1);
		else printf("%d\n",l-1+u);
		}
		else{
                if(x[0]>='0'&&x[0]<='9') printf("%d\n",l+u);
		else printf("%d\n",l-2+u);
		}
		u=0;t=0;m=0;n=0;
	}
	return 0;
}