{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","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 \u003cb\u003ea\u003c/b\u003e and \u003cb\u003eb\u003c/b\u003e you will have to find out how many square numbers are there between \u003cb\u003ea\u003c/b\u003e and \u003cb\u003eb\u003c/b\u003e (inclusive)."}},{"title":"Input","value":{"format":"HTML","content":"Each line of input contains two integers \u003cb\u003ea\u003c/b\u003e and \u003cb\u003eb\u003c/b\u003e. \nInput is terminated by a line containing two zeroes (a\u003d\u003db \u0026\u0026 b\u003d\u003d0). This line should not be processed."}},{"title":"Output","value":{"format":"HTML","content":"For each line of input print an integer that denotes how many square numbers are there between a and b (inclusive)."}},{"title":"Sample Input","value":{"format":"HTML","content":"1 4 \u003cbr\u003e\n1 10\u003cbr\u003e\n0 0\u003cbr\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"2\u003cbr\u003e\n3"}}]}