{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003e\n\t\u003cspan data-scayt_word\u003d\"Junaed\" data-scaytid\u003d\"1\"\u003eJunaed\u003c/span\u003e is a shotgun warrior who with his group of young soldiers moves from one place to another to fight against his opponents. Before fighting he just calculates one thing, the difference between his soldier number and the opponent\u0026#39;s soldier number. From this difference he decides whether to fight or not. \u003cspan data-scayt_word\u003d\"Mahedi\u0027s\" data-scaytid\u003d\"2\"\u003eJunaed\u0026#39;s\u003c/span\u003e soldier number is never greater than his opponent.\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e\n\tThe input contains two integer numbers in every line. These two numbers in each line denotes the number of soldiers in\u0026nbsp;\u003cspan data-scayt_word\u003d\"Kabir\u0027s\" data-scaytid\u003d\"4\"\u003eJunaed\u0026#39;s\u003c/span\u003e\u0026nbsp;army and his opponent\u0026#39;s army or vice versa .\u003cbr\u003e\u003cbr\u003e\u003cb\u003eThe input numbers are not greater than 2^32.\u003cbr\u003e Input is terminated by End of File (or EOF)\u003c/b\u003e.\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e\n\tFor each line of input, print the difference of number of soldiers between\u0026nbsp;\u003cspan data-scayt_word\u003d\"Kabir\u0027s\" data-scaytid\u003d\"3\"\u003eJunaed\u0026#39;s\u003c/span\u003e\u0026nbsp;army and his opponent\u0026#39;s army. Each output should be in\u0026nbsp;\u003cspan data-scayt_word\u003d\"seperate\" data-scaytid\u003d\"6\"\u003eseperate\u003c/span\u003e\u0026nbsp;line.\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e\n10 12\n11 30\n100 350\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e\n2\n19\n250\u003c/pre\u003e"}},{"title":"Hints","value":{"format":"HTML","content":"\u003cp\u003e\nFor EOF use\u003cbr\u003e\u003cb\u003ewhile (scanf(\"%d %d\", \u0026a, \u0026b) !\u003d EOF)\u003cbr\u003e\n{\n\u003cbr\u003e\u003cbr\u003e\n}\u003cbr\u003e\u003c/b\u003e for taking input.\n\u003c/p\u003e"}}]}