View Code of Problem 3855

import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner in =new Scanner(System.in);
		int t =in.nextInt();
		for(int i =0;i<t;i++) {
			char[] ch = in.next().toCharArray();
			int len = ch.length;
			int sum=0;int flag=1;
			for(int j =0;j<len;j++) {
				if(ch[j]>='0'&&ch[j]<='9'){
					int b = 0;
					while(j<len && ch[j]>='0'&&ch[j]<='9'){
						b = b*10+(ch[j]-'0');
						++j;
					}
					sum += flag*b;
					--j;
				}else if (ch[j] == '+') {
						flag = 1;
				}else if (ch[j] == '-') {
					flag = -1;
				}
			}
			System.out.println(sum);
		}
	}
}