an original string consist lowercase English letter encode following stepsarbitrarily split sequence number nonempty substringsarbitrarily choose element possibly sequence replace length numeric stringconcatenate sequence encode stringfor example way encode original string abcdefghijklmnop besplit sequence ab cdefghijklmn o pChoose second element replace length respectively the sequence ab 12 1 pConcatenate element sequence encode string ab121pGiven encode string s1 s2 consist lowercase English letter digit 19 inclusive return true exist original string encode s1 s2 otherwise return falseNote the test case generate number consecutive digit s1 s2 exceed 3 Example 1input s1 internationalization s2 i18noutput trueexplanation it possible internationalization original string internationalization Split internationalization do replace element Concatenate internationalization s1 internationalization Split nternationalizatio n replace 18 n Concatenate i18n s2example 2input s1 l123e s2 44output trueexplanation it possible leetcode original string leetcode Split l e et cod e replace l 1 2 3 e Concatenate l123e s1 leetcode Split leet code replace 4 4 Concatenate 44 s2example 3input s1 a5b s2 c5boutput falseexplanation it impossible the original string encode s1 start letter the original string encode s2 start letter c constraints1 s1length s2length 40s1 s2 consist digit 19 inclusive lowercase english letter onlythe number consecutive digit s1 s2 exceed 3