{"trustable":false,"prependHtml":"\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv\u003e\n Your task is to Calculate a + b.\n\u003c/div\u003e \n\u003cdiv\u003e\n \u0026nbsp;\n\u003c/div\u003e \n\u003cp\u003e \u003ca\u003e\u003cimg\u003e\u003c/a\u003e\u003cimg\u003e\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cdiv\u003e\n The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.\n\u003c/div\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cdiv\u003e\n For each pair of input integers a and b you should output the sum of a and b, and followed by a blank line.\n\u003c/div\u003e \n\u003cdiv\u003e\n \u0026nbsp;\n\u003c/div\u003e \n\u003cp\u003e \u003ca\u003e\u003cimg\u003e\u003c/a\u003e\u003cimg\u003e\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cdiv\u003e \n \u003cpre\u003e\r\n\t\u003c/pre\u003e \n \u003cdiv\u003e \n \u003cpre\u003e\r\n\t\t1 5\r\n10 20 \u003c/pre\u003e \n \u003c/div\u003e \n\u003c/div\u003e \n\u003cdiv\u003e\n \u0026nbsp;\n\u003c/div\u003e \n\u003cp\u003e \u003ca\u003e\u003cimg\u003e\u003c/a\u003e\u003cimg\u003e\u003c/p\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cdiv\u003e \n \u003cpre\u003e\r\n\t\u003c/pre\u003e \n \u003cdiv\u003e \n \u003cpre\u003e\r\n\t\t6\r\n\r\n30 \u003c/pre\u003e \n \u003c/div\u003e \n\u003c/div\u003e \n\u003cdiv\u003e\n \u0026nbsp;\n\u003c/div\u003e \n\u003cp\u003e \u003ca\u003e\u003cimg\u003e\u003c/a\u003e\u003cimg\u003e\u003c/p\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"\u003cp\u003e \u003ca\u003e\u003cimg\u003e\u003c/a\u003e\u003cimg\u003e\u003c/p\u003e"}}]}