private static void handleInput() throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String line = null;
int testCases = -1;
while (null != (line = br.readLine())) {
if (testCases == -1) {
testCases = Integer.parseInt(line);
continue;
}
BigNumber b1 = null;
BigNumber b2 = null;
BigNumber res = null;
BigNumber[] resArr = null;
if (line.split("-").length > 1) {
String[] substr = line.split("-");
b1 = new BigNumber(substr[0]);
b2 = new BigNumber(substr[1]);
res = b1.subtract(b2);
BigNumber.formatOp(b1, b2, res, "-");
} else if (line.split("\\*").length > 1) {
String[] mult = line.split("\\*");
b1 = new BigNumber(mult[0]);
b2 = new BigNumber(mult[1]);
resArr = b1.multiply(b2);
BigNumber.formatMult(b1, b2, resArr);
} else if (line.split("\\+").length > 1) {
String[] add = line.split("\\+");
b1 = new BigNumber(add[0]);
b2 = new BigNumber(add[1]);
res = b1.add(b2);
BigNumber.formatOp(b1, b2, res, "+");
}
System.out.println();
if (--testCases <= 0) break;
}
}
private static void testOperations() {
BigNumber bn1 = null;
BigNumber bn2 = null;
BigNumber res = null;
bn1 = new BigNumber("1");
bn2 = new BigNumber("10");
res = bn1.add(bn2);
BigNumber.formatOp(bn1, bn2, res, "+");
System.out.println();
bn1 = new BigNumber("1");
bn2 = new BigNumber("1");
res = bn1.subtract(bn2);
BigNumber.formatOp(bn1, bn2, res, "-");
System.out.println();
bn1 = new BigNumber("35");
bn2 = new BigNumber("111111111");
BigNumber[] resArr = bn1.multiply(bn2);
BigNumber.formatMult(bn1, bn2, resArr);
}