View Compilation Error

0_0_19163216_6441.cpp: In function 'int main()':
0_0_19163216_6441.cpp:43:10: error: expected primary-expression before '<' token
    cout<<<"-1"<<endl;
          ^
0_0_19163216_6441.cpp:43:17: error: invalid operands of types 'const char [3]' and '<unresolved overloaded function type>' to binary 'operator<<'
    cout<<<"-1"<<endl;
                 ^