#include <iostream>
using namespace std;

int n,a,b,k,k1;
char c;
int mode;  

void jkl(int a,int b,int ans){
	int num;
	if (a==0) num++;
	if (b==0) num++;
	
	while (a>0) {
		a/=10;
		num++;
	}
	while (b>0) {
		b/=10;
		num++;
	}
	
	
	
	if (ans==0) num++;
	else if (ans>0) {
		while (ans>0) {
			ans/=10;
			num++;
		}
	} else {
		num++;
		ans*=-1;
		while (ans>0) {
			ans/=10;
			num++;
		}
	}
	printf("%d\n",num+2);
	return;
}

int main(){
	cin>>n;
	while (n--) {
		cin>>c;
		
		if (c=='a' || c=='b' || c=='c'){
			cin>>a>>b;
			if (c=='a') mode=1;
			else if (c=='b') mode=2;
			else if (c=='c') mode=3;
		} else  {
			a=c-'0';
			//cout<<a<<"##"<<endl;
			cin>>k>>b;
			k1=k;
			
			int cnt=0;
			while (k>0) {
				k/=10;
				cnt++;
			}
			
			while (cnt--) a*=10;
			a+=k1;
		} 
		int ans=0;
		
		if (mode==1) {
			ans=a+b;
			printf("%d+%d=%d\n",a,b,ans);
			jkl(a,b,ans);
			
		} else if (mode==2) {
			ans=a-b;
			printf("%d-%d=%d\n",a,b,ans);
			jkl(a,b,ans);
		} else if (mode==3) {
			ans=a*b;
			printf("%d*%d=%d\n",a,b,ans);
			jkl(a,b,ans);
		}
	}
	return 0;
}

第一个数据是 1 a 99 999

输出的也没问题 但是一提交就是WA