View Compilation Error

0_0_17026790_30369.cpp:1:1: error: stray '`' in program
 Output exactly T lines. For each test case, print `valid` if the password is valid, otherwise print `invalid`
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0_0_17026790_30369.cpp:1:1: error: stray '`' in program
0_0_17026790_30369.cpp:1:1: error: stray '`' in program
0_0_17026790_30369.cpp:1:1: error: stray '`' in program
0_0_17026790_30369.cpp:1:1: error: 'Output' does not name a type