#include<bits/stdc++.h>
using namespace std;
void kst(int x,int y,int z,int s)
{
	char ys;
	x = rand()% z;
	y = rand()% z;
	if(s == 1)
	{
		ys = '+';
		cout << x << ys << y << "=" << endl;
	}
	else if(s == 21)
	{
		ys = '-';
		if(x >= y)
			cout << x << ys << y << "=" << endl;
		else
			cout << y << ys << x << "=" << endl;
	}
	else if(s == 22)
	{
		ys = '-';
		if(x <= y)
			cout << x << ys << y << "=" << endl;
		else
			cout << y << ys << z << "=" << endl;
	}
	else if(s == 23)
	{
		ys = '-';
		cout << x << ys << y << "=" << endl;
	}
	else if(s == 3)
	{
		ys = '*';
		cout << x << ys << y << "=" << endl;
	}
	else if(s == 41)
	{
		ys = '/';
		if(x % y != 0 && x == 0 && y == 0)
		{
			while(x % y != 0 && x == 0 && y == 0)
			{
				x = rand()% z;
				y = rand()% z;
			}
			cout << x << ys << y << "=" << endl;
		}
		else
			cout << x << ys << y << "=" << endl;
	}
	else if(s == 42)
	{
		ys = '/';
		if(x % y == 0 && x == 0 && y == 0)
		{
			while(x % y == 0 && x == 0 && y == 0)
			{
				x = rand()% z;
				y = rand()% z;
			}
			cout << x << ys << y << "=" << endl;
		}
		else
		{
			cout << x << ys << y << "=" << endl;
		}
	}
	else if(s == 43)
	{
		ys = '/';
		cout << x << ys << y << "=" << endl;
	}
	else
	{
		s = rand() % 4;
		if(s == 0)
		{
			cout << x << '+' << y << "=" << endl;
		}
		else if(s == 1)
		{
			cout << x << '-' << y << "=" << endl;
		}
		else if(s == 2)
		{
			cout << x << '*' << y << "=" << endl;
		}
		else
		{
			cout << x << '/' << y << "=" << endl;
		}
	}
}
int a,b,c,n,f;
int main() {
	cout << "请输入范围(<=32767)" << endl;
	cin >> c;
	cout << "请输入道数(<=2147483647)" << endl;
	cin >> n;
	cout << "请输入算法(1.+)(21.-|得数为正|)(22.-|得数为负|)(23.-|得数随机|)(3.*)(41./|得数为整数|)(42./|得数为小数[分数]|)(43./|得数随机|)(5.算法随机)" << endl;
	cin >> f;
	freopen("口算题.txt","w",stdout);
	srand(time(0));
	for(int i = 1;i <= n;i++) 
	{
		kst(a,b,c,f);
	}
	return 0;
}