#include<stdio.h>

int select(char x, int x1, int x2) {
	int sum;
	switch (x) {
	case('a'):sum = x1 + x2; break;
	case('b'):sum = x1 - x2; break;
	case('c'):sum = x1 * x2; break;
	}
	return sum;
}

int weishu(int x) {
	int cnt = 0;
	if (x == 0) { return 1; }
	else if (x != 0) {
		while (x!=0) {
			x /= 10;
			cnt++;
		}
		return cnt;
	}
}

int main() {
	int n; char n1; char a1; int b, c; int sum; char ch;
	int s;
	scanf_s("%d", &n);
	for (int i = 1; i <= n; i++) {
		scanf_s("%c", &a1);
		if (a1 == 'a' || a1 == 'b' || a1 == 'c') {
			scanf_s("%d %d", &b, &c);
			sum=select(a1, b, c);
			s = weishu(sum) + weishu(b) + weishu(c) + 2;
			if (sum < 0) { s++; }
			if (ch == 'a') { printf("%d+%d=%d\n%d", b, c, sum, s); }
			else if (ch == 'b') { printf("%d-%d=%d\n%d", b, c, sum, s); }
			else if (ch == 'c') { printf("%d*%d=%d\n%d", b, c, sum, s); }
		}
		else {
			b= (int)a1;
			scanf_s("%d", &c);
			sum=select(ch, b, c);
			s = weishu(sum) + weishu(b) + weishu(c) + 2;
			if (sum < 0) { s++; }
			if (ch == 'a') { printf("%d+%d=%d\n%d", b, c, sum, s); }
			else if (ch == 'b') { printf("%d-%d=%d\n%d", b, c, sum, s); }
			else if (ch == 'c') { printf("%d*%d=%d\n%d", b, c, sum, s); }
		}
		ch = a1;
	}
	return 0;
}