OJ Board

#include <stdio.h>
#include <string>
#include <iostream>

using namespace std;

int TC;
string s;

int main () {
scanf ("%s", &TC);
while (TC --) {
getline (cin, s);
if (s == "1" || s == "4" || s == "78")
printf ("+");
else {
int le = s.length ();
if (le > 1 && s[le - 1] == '5' && s[le - 2 ...