Submission #3416685

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Source Code Expand

#include <stdio.h>
#include <string>
#include <iostream>
#include <iomanip>
#include <map>
#include <algorithm>
#include <vector>
using namespace std;


int main(void) {
	int a,b,c,d;
	a=(getchar()-'0');
	b=(getchar()-'0');
	c=(getchar()-'0');
	d=(getchar()-'0');
	if(a+b+c+d==7)cout << a << "+" << b << "+" << c << "+" << d << "=7" << endl;
	if(a+b+c-d==7)cout << a << "+" << b << "+" << c << "-" << d << "=7" << endl;
	if(a+b-c+d==7)cout << a << "+" << b << "-" << c << "+" << d << "=7" << endl;
	if(a+b-c-d==7)cout << a << "+" << b << "-" << c << "-" << d << "=7" << endl;
	if(a-b+c+d==7)cout << a << "-" << b << "+" << c << "+" << d << "=7" << endl;
	if(a-b+c-d==7)cout << a << "-" << b << "+" << c << "-" << d << "=7" << endl;
	if(a-b-c+d==7)cout << a << "-" << b << "-" << c << "+" << d << "=7" << endl;
	if(a-b-c-d==7)cout << a << "-" << b << "-" << c << "-" << d << "=7" << endl;
	return 0;
}

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