{"trustable":false,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003e\n #problem-body \u003e pre {\n display: block;\n padding: 9.5px;\n margin: 0 0 10px;\n font-size: 13px;\n line-height: 1.42857143;\n word-break: break-all;\n word-wrap: break-word;\n color: #333;\n background: rgba(255, 255, 255, 0.5);\n border: 1px solid #ccc;\n border-radius: 6px;\n }\n\u003c/style\u003e\n","sections":[{"title":"","value":{"format":"HTML","content":"\u003chtml\u003e\n \u003chead\u003e\u003c/head\u003e\n \u003cbody\u003e\n \u003cdiv id\u003d\"problem-body\"\u003e \n \u003cp\u003eStudents were taught basic maths. So to test their understanding of concepts, Dikshant decides to give two numbers a and b to every student. The problem consist of finding the last digit of the potency of base a and index b i.e. You have to find the last digit of a\u003csup\u003eb\u003c/sup\u003e.\u003c/p\u003e \n \u003ch3\u003eInput\u003c/h3\u003e \n \u003cp\u003eThe first line of input contains an integer t, the number of test cases (t \u0026lt;\u003d 30). t test cases follow. For each test case will appear a and b separated by space.\u003c/p\u003e \n \u003ch3\u003eOutput\u003c/h3\u003e \n \u003cp\u003eFor each test case output an integer per line representing the result.\u003c/p\u003e \n \u003ch3\u003eExample\u003c/h3\u003e \n \u003cpre\u003e\u003cstrong\u003eInput:\u003c/strong\u003e\n2\n3 10\n6 2\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutput:\u003c/strong\u003e\n9\n6\n\u003c/pre\u003e \n \u003c/div\u003e\n \u003c/body\u003e\n\u003c/html\u003e"}}]}