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- import java.util.Scanner;
-
- public class Main {
- public static void main(String[] args) {
- Scanner cin = new Scanner(System.in);
- int sum = 0;
- while (cin.hasNext()) {
- String x = cin.next();
- String s[] = x.split("\\D+");
- if (s.length != 3) {
- continue;
- } else {
- long a = Long.parseLong(s[0]);
- long b = Long.parseLong(s[1]);
- long c = Long.parseLong(s[2]);
- if (x.indexOf("+") > 0) {
- if (a + b == c) {
- sum++;
- }
- } else {
- if (Math.abs(a - b) == c) {
- sum++;
- }
- }
- }
- }
- System.out.println("RIGHT:" + sum);
- }
- }
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