{"trustable":false,"sections":[{"title":"","value":{"format":"PLAIN","content":"A square number is an integer number whose square root is also an integer. For example 1, 4, 81 are some square numbers. Given two numbers and you will have to find out how many square numbers are there between a and b(inclusive)."}},{"title":"Input","value":{"format":"PLAIN","content":"The input file contains at most 201 lines of inputs.\nEach line contains two integers a and b (0 \u003c a \u003c\u003d b \u003c\u003d 100000). Input is terminated by a line containing two zeroes. This line should not be processed."}},{"title":"Output","value":{"format":"PLAIN","content":"For each line of input produce one line of output. This line contains an integer which denotes how many square numbers are there between a and b(inclusive)."}},{"title":"Sample Input","value":{"format":"PLAIN","content":"1 4\n1 10\n0 0 "}},{"title":"Sample Output","value":{"format":"PLAIN","content":"2\n3\n"}}]}