#include<stdio.h>
#include<math.h>
int weishu(int n);
int isalpha(char a);
int main()
{
	int i, b[50], c[50], r=0;
	char a[50];
	scanf("%d",&i);
	getchar();
	for (int j = 0;j < i;j++)
	{
		scanf("%c", &a[j]);
		if (isalpha(a[j]))
			scanf(" %d %d", &b[j], &c[j]);
		else
		{
			scanf("%d %d", &b[j], &c[j]);
			int t = a[j] - '0';
			b[j] = t * pow(10, weishu(b[j])) + b[j];
			a[j] = a[j - 1];
		}
		getchar();
	}
	for (int j = 0;j < i;j++)
	{
		switch (a[j])
		{
		case'a':
		{
			r = b[j] + c[j];
			printf("%d+%d=%d\n", b[j], c[j], r);
		}
		break;
		case'b':
		{
			r = b[j] - c[j];
			printf("%d-%d=%d\n", b[j], c[j], r);
		}
		break;
		case'c':
		{
			r = b[j] * c[j];
			printf("%d*%d=%d\n", b[j], c[j], r);
		}
		break;
		}
		int w = weishu(b[j]) + weishu(c[j]) + weishu(r) + 2;
		if (j != i - 1)
			printf("%d\n", w);
		else
			printf("%d", w);
	}
	return 0;
}
int weishu(int n)
{
	int c = 1;
	if (n / 10)
		c = 2;
	if (n / 100)
		c = 3;
	if (n / 1000)
		c = 4;
	if (n < 0)
		c += 1;
	return c;
}
int isalpha(char a)
{
	int c = 0;
	if (a>='a'&& a<='z')
		c = 1;
	return c;
}